TY  - RPRT
TI  - Investigation of in situ physical properties of surface and subsurface site materials by engineering geophysical techniques project - Annual Report, fiscal year 1966
PY  - 1966
DO  - 10.3133/ofr67272
UR  - https://pubs.usgs.gov/publication/ofr67272
ID  - ofr67272
ER  -