TY  - RPRT
TI  - The U. S. Geological Survey in the early 1900's - Reminiscences of D. Foster Hewett, Adolph Knopf, and Frank C. Calkins
AU  - Donnel Foster Hewett
AU  - Adolph Knopf
AU  - Frank C. Calkins
PY  - 1997
DO  - 10.3133/ofr97267a
UR  - https://pubs.usgs.gov/publication/ofr97267A
ID  - ofr97267A
ER  -