TY  - RPRT
TI  - Adopt a Frog Pond and Frog Force! Citizen scientists at large
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1999
DO  - 10.3133/fs08999
UR  - https://pubs.usgs.gov/publication/fs08999
ID  - fs08999
ER  -