TY  - RPRT
TI  - Index of analyses of natural waters in the United States, 1926 to 1931
AU  - W. D. Collins
AU  - C. S. Howard
PY  - 1932
DO  - 10.3133/wsp659c
UR  - https://pubs.usgs.gov/publication/wsp659C
ID  - wsp659C
ER  -