Site Name: Barlow Creek Bridge
UTM Coordinates: 4184180N 13 236943E
7.5 Series USGS Topographic Map: Mount Wilson, CO
Description: The test site is just upstream from the Barlow Creek Road bridge crossing the East Dolores. The land is managed by the Forest Service.

Site Name: Bear Creek
UTM Coordinates: 4162260N 12 748360E
7.5 Series USGS Topographic Map: Wallace Ranch, CO
Description: The testing site is located just up the mainstem of the Dolores River from the private access bridge to Bear Creek. It is located just off Hwy 145 and is presumably located on the highway right-of-way.*

Site Name: Bear Creek Trailhead
UTM Coordinates: 4162210N 12 748860E
7.5 Series USGS Topographic Map: Wallace Ranch, CO
Description: The testing site is located at the Forest Service trailhead for the Bear Creek trail. The test site is located on Forest Service land.

Site Name: Below Rico
UTM Coordinates: 4175190N 12 761575E
7.5 Series USGS Topographic Map: Rico, CO
Description: The testing site is located on the East Dolores River at the downstream end of the town of Rico. The land is inside the municipal boundary and is presumed to be owned by the town.

Site Name: Below Rico Settling Ponds
UTM Coordinates: 4176375N 12 761830E
7.5 Series USGS Topographic Map: Rico, CO
Description: The test site is located on the East Dolores River several hundred meters downstream from the last settling pond in a series that filters the effluent from the St. Louis Tunnel. The test site is presumably on Forest Service land.

Site Name: Horse Creek
UTM Coordinates: 4177865N 12 761430E
7.5 Series USGS Topographic Map: Rico, CO
Description: The test site is located just upstream of the Hwy 145 crossing of Horse Creek. Due to the proximity to the highway it can be assumed that the test site is on the right-of-way.

Site Name: Montelores Bridge
UTM Coordinates: 4169845N 12 759910E
7.5 Series USGS Topographic Map: Rico, CO
Description: The test site is approximately 600 meters upriver from the Montelores bridge on the mainstem of the East Dolores River. The river runs along the Hwy 145 and it can be presumed that the access is on the highway right-of-way.

Site Name: Priest Gulch
UTM Coordinates: 4163100N 12 750240E
7.5 Series USGS Topographic Map: Wallace Ranch, CO
Description: The test site sits several hundred meters below the entrance to Priest Gulch Campground on the mainstem of the Dolores River. Land ownership is private.*

Site Name: Rico Hot Spring
UTM Coordinates: 4176793N 12 761830E
7.5 Series USGS Topographic Map: Rico, CO
Description: The test site is a small hot spring that drains from a pipe sunk vertically into the ground. The spring is the result of an old core sample drill hole associated with mining. Mineral buildup from the spring has formed a small orange mound around it. The runoff from the spring is piped into a hot tub and from there into the river. There is at least two similar spring in the area and indications that there may be more. The hot spring is located on Forest Service Land.

Site Name: Settling Pong Outlet Flume
UTM Coordinates: 4176773N 12 761840E
7.5 Series USGS Topographic Map: Rico, CO
Description: The test site is the outlet flume for settling ponds owned by the ARCO mining company. The flume flows out of the lowest pit directly into the East Dolores River. The test site is located on Forest Service land.

Site Name: Silver Creek Clean Water
UTM Coordinates: 4176880N 12 764150E
7.5 Series USGS Topographic Map: Rico, CO
Description: The test site is located on Silver Creek, several hundred meters above the place where the town of Rico draws its domestic water. The place is presumably on land under the jurisdiction of the National Forest Service. This site is the clean water site for Silver Creek.

Site Name: Silver Creek Confluence
UTM Coordinates: 4175895N 12 761590E
7.5 Series USGS Topographic Map: Rico, CO
Description: The test site is on Silver Creek, just upstream from the confluence with the East Dolores River. It is not certain whether or not the land is inside the town boundaries of Rico nor is the ownership certain.

Site Name: Silver Creek Culvert
UTM Coordinates: 4176190N 12 762870E
7.5 Series USGS Topographic Map: Rico, CO
Description: The test site is just upstream from an unidentified road that crosses Silver Creek. The road, like many others in the area, is associated with the mining and subsequent reclamation that took place at Silver Creek. It is assumed that the test site is on National Forest Service land.

Site Name: Stoner Creek
UTM Coordinates: 4163400N 12 736520E
7.5 Series USGS Topographic Map: Stoner, CO
Description: The testing site is located just upstream from where the Hwy 145 bridge crosses Stoner Creek. The testing site is in the highway right-of-way and should therefore be on property under the jurisdiction of CDOT. The confluence of the East Dolores and Stoner Creek is about 30 meters from the testing site. At this location Stoner Creek runs from roughly north to south while the river runs east to west. To the east of the testing site is the Stoner Cafe (and RV Park). To the west is a parking lot that provides access to a corral and is presumably public land.

* Discontinued