TY  - RPRT
TI  - Geology and ore deposits of the Magdalena mining district, New Mexico
AU  - G. F. Loughlin
AU  - A. H. Koschmann
PY  - 1942
DO  - 10.3133/pp200
UR  - https://pubs.usgs.gov/publication/pp200
ID  - pp200
ER  -