Chain Bridge, District of Columbia, USA
latitude: 38.930099 38°55'48.36"N
longitude: -77.114403 77°6'51.85"W
[Precision of location: Alexandria Digital Library (with USGS GNIS data)]
[Site Named Here by name of site (or city, etc.)]
Mesostoma columbianum Hyman, 1939 | Apr 28, 1912 | Pond, Chain Bridge, District of Columbia |
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