TY  - RPRT
TI  - A history of the Water Resources Division, U.S. Geological Survey; Volume VI, May 1, 1957 to June 30, 1966; the years of change
AU  - Hugh H. Hudson
AU  - Joseph S. Cragwell
PY  - 1996
DO  - 10.3133/7000084
UR  - https://pubs.usgs.gov/publication/7000084
ID  - 7000084
ER  -