TY  - RPRT
TI  - The U.S. Geological Survey, branch of Astrogeology - a chronology of activities from conception through the end of Project Apollo (1960-1973)
AU  - Gerald G. Schaber
PY  - 2005
DO  - 10.3133/ofr20051190
UR  - https://pubs.usgs.gov/publication/ofr20051190
ID  - ofr20051190
ER  -