TY  - RPRT
TI  - Denver liquid sewage sludge: its agricultural benefits and its effect on the metal composition of wheat grown at the Watkins test site, Adams County, Colorado
AU  - James A. Erdman
AU  - Harry A. Tourtelot
PY  - 1976
DO  - 10.3133/ofr76810
UR  - https://pubs.usgs.gov/publication/ofr76810
ID  - ofr76810
ER  -