25 September 1982.
South Dakota, United States
Locality: NE 1/4 of SE 1/4 of Section 25, T93N, R49W, Union County.
Coordinates: 42.8167, -96.6944
(Map it)
Georeference protocol: Lat/Lon determined from GIS
Environment description: Roadside ditch.
Comment: Site 20. Lat/lon accurate to county level.
Collector(s):