TY  - RPRT
TI  - Cones for sampling accumulated solids in ponds
AU  - James E. Ellis
AU  - Dewey L. Tackett
PY  - 1977
DO  - 10.1577/1548-8659(1977)39[66:cfsasi]2.0.co;2
UR  - https://pubs.usgs.gov/publication/1013857
ID  - 1013857
ER  -