TY  - RPRT
TI  - A guide to the geology of Organ Pipe Cactus National Monument and the Pinacate Biosphere Reserve
AU  - John V. Bezy
AU  - James T. Gutmann
AU  - Gordon Haxel
PY  - 2000
UR  - https://pubs.usgs.gov/publication/70073353
ID  - 70073353
ER  -