Collecting site
Obsidian Creek, Yellowstone National Park, Wyoming, USA
tributary, at Moose Exhibit, 10.8 miles south of Mammoth Springs Junction.
latitude: 44.8857 44°53'8.52"N
longitude: -110.731903 110°43'54.85"W
[Precision of location: gauged from chart or map]
[Site Named Here by name of site (or city, etc.)]
Collected here:
Polycelis (Polycelis) coronata borealis Kenk, 1953 | Jun 18, 1970 | | | tributary of Obsidian Creek, water clear, fast, 9.0 degrees C., several specimens collected, two of them mature. |