TY  - RPRT
TI  - Answers to 24 questions asked by the Honorary John R. Murdock, Member of Congress from Arizona, by letter of December 7, 1951, to the Director, U. S. Geological Survey
AU  - L.C. Halpenny
AU  - R.L. Cushman
AU  - J. H. Feth
PY  - 1952
DO  - 10.3133/ofr5268
UR  - https://pubs.usgs.gov/publication/ofr5268
ID  - ofr5268
ER  -