Overlapping markers can be separated by clicking on them.
Hovering the cursor over a marker will show the site's name.
Clicking on a marker will show information available about the collection site. (Compare with corresponding letter in table.)
Marsh Creek, Adams County, Pennsylvania, USA
latitude: 39.719002
longitude: -77.218002
Precision of location: Alexandria Digital Library (with USGS GNIS data)
Site Named Here: By name of island, bay, strait, lake, river, or stream, etc., named in source publication
| Stenostomum oesophagum | 1930 | |||
| Castrella pinguis | 1931 or earlier | Pennsylvania: Marsh Creek bei Fairfield Road, Adams County. | ||
| Phaenocora kepneri | April 19, 1931 | near "Black Horse Tavern" |