TY  - RPRT
TI  - Astrogeologic studies, annual progress report, July 1, 1963 to July 1, 1964
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1965
DO  - 10.3133/ofr655
UR  - https://pubs.usgs.gov/publication/ofr655
ID  - ofr655
ER  -