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Posts Tagged ‘Monitoring’

Conservation Stewards Leadership Training

indian springsLooking for a way to expand your knowledge about ecosystems, invasives, and the history of conservation in Michigan?

The Michigan Conservation Stewards program has been brought back to Washtenaw County by a collaboration of HRWC and peer organizations. We hope you, as a supporter of the Huron, will take the opportunity to strengthen your knowledge and thus ability to advocate for our natural resources. This 6-week course covers all the basics of conservation, introduces participants to a wide-array of topic experts, and is a great networking opportunity.

 

Click here for details and to register.

 

 

What’s Going on in Norton Creek?

Volunteers Mary Bajcz and Larry Scheer monitoring at Norton Creek

Volunteers Mary Bajcz and Larry Scheer monitoring at Norton Creek

On June 3, 2015, the Huron River Watershed Council started sampling at 10 sites on Norton Creek, located in Oakland County.   In addition to water quality monitoring, volunteers and interns are also assessing the area by looking at the road/stream crossings, creek walking and paddling on the creek, and conducting neighborhood assessments.

Norton Creek, a tributary to the Huron River, drains 24.2 square miles and is located in portions of Commerce, Lyon and Milford Townships, and the cities of Novi, Walled Lake, Wixom and Wolverine Lake in Oakland County.

Norton Creekshed Map

Norton Creekshed Map

Bill Lee at Norton

HRWC Volunteer Bill Lee grabs samples at a Norton Creek site.

The Michigan Department of Environmental Quality designated Norton Creek as impaired due to excess sediments and low dissolved oxygen. Dissolved oxygen refers to the amount of oxygen that is available in water, and it is essential for aquatic life and good water quality. The cause for low dissolved oxygen in Norton Creek is attributed to high biological and sediment oxygen demand — meaning that algae and bacteria are consuming all available oxygen, leaving none for bugs and fish.

HRWC was awarded a SAW grant (Stormwater, Asset Management, and Wastewater Program) to fund the Norton Creek project.  Based upon the data collected from our monitoring efforts, a watershed management plan will be developed to address and fix the impairment.

HRWC intern Gianna Petito sampling at a Norton Creek site.

HRWC intern Gianna Petito sampling at a Norton Creek site.

 

 

The extent of impairments and the likely source contributions will be evaluated, along with the development of a realistic prescription of remediation, restoration, and protection actions.  HRWC has been and will continue to work with key stakeholders and concerned citizens in the Norton Creek communities in a collaborative effort to help restore this at-risk creek.

We want to thank the volunteers and interns who are helping HRWC with the data collection effort!  It is because of your help that we are able to quickly and efficiently gather the data we need to develop an effective watershed management plan to improve Norton Creek!

Sunshine, bugs, and volunteers

Now that is a lot of sunshine!

Now that is a lot of sunshine! credit: Kristen Baumia

People enjoying nature!

We could not have asked for better spring weather for our 120 volunteers on April 18!  They soaked in the sun and warmth while visiting 50 different creek and river locations across the Huron River Watershed. Held twice a year, HRWC’s River Roundup is one of the most effective ways that HRWC has to understand how the water quality of the river and creeks may be changing. From the macroinvertebrates collected during this event, we are able to keep abreast of the health of our waterways throughout the watershed. You can see all the results in April 18 River Roundup Report.

Highlight

Mill Creek is the largest tributary to the Huron River, draining  143 square miles of land, 68 of which are agriculture. Agricultural impacts have certainly taken their toll on Mill Creek, with some Mill Creek’s tributaries no more than straightened ditches, and the creek has phosphorus and E.Coli issues that come from fertilizers and animals. However, great things are happening in Mill Creek, including the removal of Mill Pond Dam in Dexter, stream stabilization projects, landowner education, and a renewed interest in bringing residents to the waterfront. 

Changes in the EPT families on Mill Creek, Shield Road. The red line shows the Mill Pond Dam removal.

Changes in the EPT families on Mill Creek, Shield Road. The red line shows the Mill Pond Dam removal.

As a part of the River Roundup, volunteers regularly visit 9 sites on Mill Creek (the main branch and several tributaries).  Four of these sample sites are showing significant improvements in the macroinvertebrate populations, indicating improving water quality and habitat.  These four sites are Shield Road (near the mouth), Manchester Road and Klinger Road (both in the headwaters), and Fletcher Road (on the north branch).

Shield Road in particular seems to be doing quite well with several highly diverse samples taken since the removal of the downstream dam.  The graph to the right shows the changes in the EPT (mayfly-stonefly-caddisfly) family diversity, with the red line in the middle of the graph indicating the dam removal. Samples in the early 2000′s were particularly poor with only 2 or 3 families found, and now we are regularly finding  6 or 7. Insect families that are now found which were not found previously include Baetid mayflies, Isonychia mayflies, Leptophlebia mayflies, and the Philopotamid caddisfly.

You can learn more about Mill Creek from our creekshed report.

Lowlight

South Ore Creek has fewer insects than we would expect despite areas of great habitat. When this happens, the likely culprit is some type of chemical pollutant.

South Ore Creek has fewer insects than we would expect despite areas of great habitat. When this happens, the likely culprit is some type of chemical pollutant.

If you have read these updates before, you will recall that we have learned that several streams in Livingston County have had significant reductions in their insect populations over time.  In fact, of the 62 sites that we monitor across the Huron River Watershed, 20 are in Livingston County, and 9 of those have statistically significant reductions. In contrast, HRWC monitors 30 sites in Washtenaw County and the insects at 12 sites are statistically improving while zero are declining.  Now, this may simply be a coincidence, as it is difficult to explain why a political boundary can make such a difference in insect populations.  But the data speaks pretty clearly; among others, Davis Creek (South Lyon area) has been declining, and South Ore Creek (Brighton area) is also getting worse.  Thankfully, both of these creeks could still be considered relatively healthy (when compared to more heavily urbanized creeks like Malletts), but we have to make some extra efforts to get these creeks to reverse their negative trends.

 

What’s next?

You should be a creekwalker! In this unique program, you will walk up and down a stream, exploring it and looking for possible pollution sources.  Join by yourself, with friends, or with your family.  Learn more about it at http://www.hrwc.org/volunteer/creekwalker/.

Enjoy the Outdoors?

Erin Burkett examines giant leaves on a recent assessment. Can you identify the tree?

Erin Burkett examines giant leaves on a recent assessment. Can you identify the tree?

Want to Get Outdoors and Help the Huron River?

We need volunteers to join our natural area field assessment teams!

Get outside, meet new people, learn about our local natural areas and help out HRWC’s Bioreserve Natural Areas Assessment program! HRWC is seeking field volunteers to help inventory ecologically important natural areas in the watershed.
Volunteer teams will be conducting rapid ecological assessments of grasslands, forests, wetlands, and aquatic habitats throughout this spring, summer and fall.
Each visit is like a nature hike through a new woods or wetland.
The 2015 season marks our seventh field season; volunteers have so far assessed over 260 properties throughout S.E. Michigan.  These efforts have helped protect over 6,000 acres of land in the watershed. Land conservancies and community preservation programs use the data gathered to promote permanent protection of those lands identified as the highest quality and most important for protection of the Huron River. Come to our program introduction and training on
May 9, 2015 
10am to 4pm 
at Independence Lake County Park, in Whitmore Lake
Register here
For more information, contact Kris Olsson at 734-769-5123 x 607, kolsson@hrwc.org.

Stoneflies! Cute AND educational!

Stonefly Search 2015 Wrap Up

A Surprisingly Pleasant January Day
So cute! Who wouldn't want to spend a cold Saturday in January looking for one of these?

So cute! Who wouldn’t want to spend a cold Saturday in January looking for one of these?

You never know what a Michigan January will bring; last year HRWC was forced to cancel the Stonefly Search because of sub-zero temperatures and blizzard conditions.  But this year, on January 17, 125 intrepid volunteers enjoyed bright sunshine and 30 degree weather as they spread across the Huron River watershed. They were in search of stoneflies, which are only found in clean and healthy streams.  Everyone made it back safe, and not a single leaky wader was reported! Overall, it was a great success!

The results are in, and are given in this pdf report.

What We Found

1. Usually when we look at the data after an aquatic bug search, we see that some sites do better than normal, some sites do worse, but most sites stay the same. This was a strange year because while most sites stayed the same, several did worse than normal, and none did better.  Overall, the count of stonefly families was down about 10% from our last sampling event (2013). There is no clear explanation for this; weather conditions were great and the ice wasn’t any thicker than other year.  We will start to be concerned if we continue to see this happen year after year. However, there is always natural variation in the data and collecting and this year will likely not be the start of a downward trend in terms of the overall sampling.

 

Caroline, HRWC Intern and volunteer, scours Malletts Creek in hopes of scoring a Capnid.

Caroline, HRWC Intern and volunteer, scours Malletts Creek in hopes of scoring a Capnid.

2. That being said, there are specific locations that have shown long-term degradation. For example, Honey Creek in Ann Arbor. The team searching for stoneflies in Honey Creek at Wagner were unable to find stoneflies. This site has been sampled 14 times since 1995, and this is the first time that stoneflies could not be found. This is a site with lots of turbulent highly oxygenated water and should be a great place for stoneflies. Taken in isolation, the absence of the stoneflies at Wagner Road would not be concerning given that this is a single sample.  However, two upstream Honey Creek Adopt-a-Stream sites used to have stoneflies but haven’t in years.  Stoneflies haven’t been seen in Honey Creek at Jackson Road since 2008; they haven’t been at Honey Creek at Pratt Road since 2003. All of the pieces combined indicates that the overall quality of Honey Creek is degrading over the last decade.

3. Davis Creek at Pontiac Trail is another location where the stonefly population has dropped over time. This change is concerning because it happened slowly over the last ten years and our spring and fall samples show a very similar pattern.  In the early 2000s we regularly found one or two stonefly families at the creek, but they started to drop off and now have not been found since 2009.

4. All this doom and gloom needs to be put in perspective, though. Remember, most of the sites we visited were as healthy as ever.  Of the 61 Adopt-a-Stream sites that HRWC uses to assess the overall water quality of the watershed, stoneflies are regularly found at 38 of them. In other words, 62% of our watershed has very high water quality and habitat. This agrees with recent analyses of other HRWC data, showing that 66% of the watershed was good to very high quality, 28% was fair to good, and 7% was highly impacted (2014 State of the Huron)

Next on the horizon!

Interested in doing more with our macroinvertebrate searches?  Think about becoming a trained leader or collector by coming to the next training on March 29.  This is an extremely important job because every team needs both a trained leader and collector, and we often do not have enough to meet the demand.  Sign up for the training!

 

The team gathers around the white trays to sort debris and hunt for stoneflies!

The team gathers around the white trays to sort debris and hunt for stoneflies!

 

 

2014 Leaves the Huron Nutrient Story Complicated

An excessive amount of nutrients is the top water quality concern in the Huron River watershed and the Great Lakes region, if not the entire county. This summer’s drinking water crisis in Toledo is a prime example of the potential impact. Waters in the Huron River watershed have suffered similar impacts, though somewhat less dramatic. Still, multiple millions of dollars have been invested within the watershed to reduce the sources of phosphorus (the growth-limiting nutrient in the region). So, where are we today, as we close out 2014? Have the programs, projects and other investments made any impact? HRWC’s Water Quality Monitoring Program results should shed some light on this question. 

The first look at the phosphorus trends suggests that we have made little recent progress. As shown in the first chart, raw phosphorus concentrations in the middle Huron River watershed steadily declined from the beginning of the monitoring program (2003) through 2009, when the average phosphorus concentration rose above target levels (red line). From 2010 through this year, concentrations were much more variable, but averages were distinctly above the target. Phosphorus concentrations were also well above the target in the Lower Huron watershed over the last three years (not shown).

Total phosphorus concentrations in the middle Huron River Watershed

Total phosphorus concentrations in the middle Huron River Watershed

These raw results do not provide a complete picture, however. Concentrations can vary tremendously (just look at the error bars) depending on a number of variables, most importantly stream flow. 2008 was a particularly dry year, for example, while stream flows were well above average in 2011. HRWC storm sampling shows that, as stream flows increase during a rain storm, phosphorus concentrations increase, often dramatically.

When we account for the stream flow at the time of sampling, we get a somewhat different picture. The second chart shows phosphorus concentrations at Ford Lake, when adjusted for river flow (also shown as the blue line). The chart shows four periods — 1995 when the state DEQ sampled to set a phosphorus control policy, and three periods after the monitoring program began.

Phosphorus concentrations and river flow at Ford Lake

Phosphorus concentrations and river flow at Ford Lake

From this view, it is obvious that concentrations have come way down from original ’95 levels. Also, phosphorus concentrations have come back up since 2009, but by less than it seems from raw concentrations.

It is unclear why we have seen the recent increase in phosphorus concentrations. It does not appear to be linked to sediment concentration (i.e. erosion) as those data are not well correlated. Some national studies suggest that historical fertilizer application may be dissolved and slowly moving through the groundwater. If that is the case, while direct application of phosphorus in fertilizer has been addressed (through fertilizer policy in the City of Ann Arbor and later statewide law), we are still seeing the legacy effects of over-fertilization in our urban/suburban areas. There also has been an increase in phosphorus loading from the more heavily agricultural Mill Creek watershed, which could partially explain the increase.

HRWC provides a more detailed tributary evaluation in its annual monitoring report. For reports, presentations and 2014 raw data, see the Water Quality Monitoring page.

Underwater Mussel Shenanigans

While doing a habitat assessment on the Huron River, I was lucky enough to see a pocketbook mussel in the process of attracting a fish host and managed to get some pictures and a video of it.

Please excuse the poor video quality- it looks like a bubble got trapped on our underwater camera lens! But you can make it out. The mussel is buried in the sediment, positioned so that its opening is facing up. The mussel is extending a part of its mantle into the current to use it in its reproduction process.

Mussels reproduce by releasing their glochidia (microscopic larvae) in the presence of fish.  The glochidia latch onto the fish’s gills and fins where they dwell for days or weeks, depending on the species and water conditions.  During this time the glochidia develop into microscopic juveniles and eventually drop off the fish.  If they land in a suitable place, they can create a new mussel bed.

mussel reproduction

Therefore, since fish are integral to a mussel’s life cycle, the mussels have developed ways to get a fish’s attention. By extending the colorful mantel into the current, the mussel acts like an angler’s fish lure! When a fish gets closer- the mussel shoots out the glochidia!

Special acknowledgments go to Ryan and Marty of ECT, for experiencing this really cool find with me.

Being a Creekwalker (Part 3)

The adventure comes to a close!

You can read Mark Schaller’s first post and second post about his experiences with HRWC’s Creekwalking Program.

Are you interested in being a creekwalker? You can recruit your family and friends to join you on your team or ask HRWC to assign you to a team. The training is on June 10, 6:30- 8 pm. Check out this webpage and email Jason at jfrenzel@hrwc.org to volunteer.

____________________________________________________

Guest Author: Mark Schaller

It all comes down to this, the final visit.  This time, I arrived early so I could set some crayfish and minnow traps.  I had seen fish on earlier visits but could never get a good look at any of them.  The deepest part of the stream was where I placed the thermometer so I figured that would be a good site for a trap.  I also placed a crayfish trap further upstream in a rocky area hoping to catch some more crayfish and get a good positive ID.  Everything was set!

Creekwalkers look pick up trash, take water measurements, and record and photograph erosion and infrastructure problems.

Creekwalkers pick up trash, take water measurements, and record and photograph erosion and infrastructure problems.

As I walked back to my Jeep, Erin was heading down the trail.  After our “Hello’s” we headed back to the parking lot to get the rest of the gear.  We picked up the paperwork, meter, measuring stick and my camera and headed back to the stream.  Our starting point was where I placed my crayfish trap and we had 6 crayfish already in the trap.  As I started to pull them out for pictures I found that 3 of them were the invasive Rusty.  The other 3 were northern crayfish.  They were a lot bigger than the Rusty’s so I’m hoping they are holding their own against them.  Too bad; after our last trip I thought that there weren’t any Rusty’s in here.

In midsummer, Woods Creek is a great place to sit down and soak in the cool water... if the mosquitos aren't too bad.

In midsummer, Woods Creek is a great place to sit down and soak in the cool water… if the mosquitoes aren’t too bad.

We then started by taking the water temperature and conductivity readings. When we reached the halfway point I handed the GPS and water conductivity meter over to Erin.  She wanted to see how the meter worked and I needed to get some pictures of her as well.  She took about 4 more readings and then next thing we knew we were at the end of our sample area.  All that was left now was for Erin to compile all the data and for me to turn it in with all the equipment. Mission Accomplished!

I have to say the creekwalking experience was a lot of fun.  Walking up and down Wood Creek brought back a lot of fond memories of myself as a kid exploring all the creeks and streams of my youth.

Good times.

________________________________

Our big thanks go to Mark and Erin, and all our other creekwalking volunteers, from this past summer!

Rounding Up the River

River and creek sampling

Thanks to 108 volunteers who contributed a total of 643 volunteer hours, the 2014 River Roundup was a great success!  The weather was perfect for our volunteers as they split into 21 teams and traveled to 42 different creek and river locations across the Huron River Watershed to assess the aquatic benthic macroinvertebrate community.  This study is one of the most effective ways that HRWC has to keep its finger on the pulse of the stream. From the data collected at this semi-annual event, we get a better understanding of which creeks and rivers are getting better, which are getting worse, and how we can direct our management activities.

You can see all the results in April 2014 River Roundup Report.

  • Emily checks out a crayfish! credit: Max Bromley Emily checks out a crayfish! credit: Max Bromley
  • Bruce collects insects in South Ore Creek. credit: Dick Chase Bruce collects insects in South Ore Creek. credit: Dick Chase
  • Picnic tables! Volunteers love these. (Mill Creek at Warrior Park in Dexter) credit: Eric Bassey Picnic tables! Volunteers love these. (Mill Creek at Warrior Park in Dexter) credit: Eric Bassey
  • Sampling the Huron River by Riverside Park in Ypsilanti. credit: Kristen Baumia Sampling the Huron River by Riverside Park in Ypsilanti. credit: Kristen Baumia
  • Hay Creek winds through wetlands and forests. credit: David Amamoto Hay Creek winds through wetlands and forests. credit: David Amamoto
  • Sorting the bugs on ID Day! credit: David Amamoto Sorting the bugs on ID Day! credit: David Amamoto
  • "What the heck is it?"--Paul Steen.  credit: David Amamoto "What the heck is it?"--Paul Steen. credit: David Amamoto
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Current Watershed Healthconditions April 2014

In a nutshell, the health of the watershed as judged by our macroinvertebrate sampling is holding steady. Of the 62 sites that we monitor to judge this, 28 sites have had no statistically significant changes over time, and 6 sites are too new to make this judgment.

Fourteen sites are declining, and these include locations on Chilson Creek, Davis Creek, east branch of Fleming Creek, Norton Creek, and South Ore Creek.  The majority of the declining sites are in Livingston County.  Eight of the declining sites are in Livingston, two are in Washtenaw, and three are in Oakland.

Fourteen sites are significantly improving.  Twelve of the improving sites are in Washtenaw County, including Boyden Creek, Horseshoe Creek, the main and west branches of Fleming Creek, Huron Creek, the Huron River in Ann Arbor and Ypsilanti, Malletts Creek, and several places on Mill Creek. One site is improving in Livingston County (Mann Creek at Van Amberg Road), and 1 site is improving in Wayne County (Woods Creek at the Lower Huron Metropark).

Highlights

The finger-net caddisfly (Philopotamidae) had never been seen in Malletts Creek before the spring of 2014. credit: Jude Walton

The finger-net caddisfly (Philopotamidae) had never been seen in Malletts Creek before the spring of 2014. credit: Jude Walton

1. Malletts Creek is an urban creek in Ann Arbor that has been the focus of restoration efforts for well over a decade. Last fall, we noticed a more diverse insect community in Malletts Creek than had ever been seen before.  We are happy to report that this spring we once again saw a healthier insect community than ever before.  From 1993-2013, volunteers have found an average of 5 insect families in spring samples, but in 2014 volunteers found 9 insect families. One of these insect families is a finger-net caddisfly, which is common in healthy streams but has never been found in Malletts Creek until now. The increase in insect families over time is statistically significant.

Our congratulations go out to all of the partners involved in fixing Malletts Creek! An increase in the diversity of aquatic insects reflects an increase in the overall water quality, water stability, and habitat quality. This is a major accomplishment!

2. The volunteers who sampled in Boyden Creek along Delhi Road pulled in a bonanza of caddisflies! They found 5 different types of caddisflies: the common net-spinner (Hydropsychidae), the square barked case- maker (Lepidostomatidae), the northern caddisfly (Limnephilidae), the finger-net caddisfly (Philopotamidae), and the rock case-maker (Uenoidae).  They also found two families of stoneflies and two families of mayflies.  We have been seeing good changes in Boyden Creek for several years now, and this sample was one of the best taken this spring.

Lowlights

The volunteers who sampled at Greenock Creek near South Lyon were not impressed with the size and abundance of the leeches they pulled out of their trays, nor were they impressed with the total abundance and diversity of the overall insect community.  Greenock Creek was never a very healthy creek, but conditions have significantly worsened here since monitoring began in 1993.  The creek is located downstream of Nichwagh Lake, which is impounded by a dam.  Water exiting the lake and entering the creek is quite warm, regularly reaching 85 degrees Fahrenheit in the summer, which is too warm for many types of aquatic life. It is quite possible that dissolved oxygen levels are very low in the creek also (even in the non-summer months when the water is not as warm).  This is something that HRWC will look into.

Looking upstream in Greenock Creek, October 2012.  It looks picturesque, but looks can be deceiving when it comes to water quality! credit: Max Bromley

Looking upstream in Greenock Creek, October 2012. It looks picturesque, but looks can be deceiving when it comes to water quality! credit: Max Bromley

 What’s next?

Consider being a creekwalker this summer!  You can learn more about this experience through our recent blog series. Check it out here: Part 1 and Part 2.  You can register to be a creekwalker here.

Being a Creekwalker (Part 2)

The adventure continues!

You can read Mark Schaller’s first post here about his experiences with HRWC’s Creekwalking Program.

Are you interested in being a creekwalker? You can recruit your own family and friends to join you on your team or ask HRWC to assign you to a team. This year’s training is on June 10, 6:30- 8 pm. Check out this webpage and email Jason at jfrenzel@hrwc.org to volunteer.

____________________________________________________

Guest Author: Mark Schaller

Now that the initial visit and thermometer placement was out of the way it was time to schedule the second visit. Like our previous trip, real life issues came up for most of the team, and Erin and myself continued our team of two.

Mosquitos can be bad during a creekwalk, depending on the location and weather. Long pants and long sleeves may be a good idea! Right, Erin?

Mosquitos can be bad during a creekwalk, depending on the location and weather. Long pants and long sleeves may be a good idea! Right, Erin?

We decided that Erin would handle the writing duties while I took the reading and pictures. This time around we were supposed to check for signs of wildlife and pick up any garbage. After her last losing battle with mosquitoes Erin came prepared this time. Long sleeve shirts and real insect repellent were in order. She even sprayed me down to try to keep the bugs at bay. It didn’t work.

Woods Creek was pretty much in the same state as the last time we were here. We entered at the first bridge and got to work. We took a few temperature and water conductivity readings and not much had changed. Since I didn’t have to concentrate on the readings, I spent more time checking out what signs of life there were. Erin is more of an herbologist than I am so she kept track of the plant life. She was rattling off plant names and I just took her word for it. I’m not a vegetarian.

Like last time I spotted some smaller bait fish but couldn’t get a good enough look at them to see what they were. When we got to the water thermometers I saw some larger fish hiding underneath the stump but again I couldn’t get a good look to see what they were. What I did see were a lot of crayfish. These guys I was very interested in. I wanted to know if they were native crayfish or the non-native rusty variety.  For the rest of the walk I tried to catch one and for most of the walk my efforts were pretty futile. Just as I was about to grab one it would take off and disappear in the silt. Even with my advance warning system screaming every time one ran across her foot, I still couldn’t corner one long enough to grab it.

Mark had a good time catching and identifying crayfish on his creekwalk.

Mark had a good time catching and identifying crayfish on his creekwalk.

Eventually I caught one and it wasn’t a Rusty. So far so good. I was able to catch a couple more and they were all native crayfish as well. I don’t know what kind exactly, but they weren’t Rusty crayfish. I’m sure the Rusty’s will eventually work their way into this creek but for now no sign of them.

One of the other things we had to do during this trip was pick up garbage. I’m glad to say that there wasn’t much. I expected to find plastic worm containers, fish line, and empty cans. All I really found was some pieces of broken glass and an old shirt.  Nice to see that there wasn’t much trash!

________________________________________________________

Stayed tuned for the third and final part of Mark’s creekwalking experience.


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