TY  - RPRT
TI  - Bibliography and index of North American geology, paleontology, petrology, and mineralogy for 1892 and 1893
AU  - Fred Boughton Weeks
PY  - 1896
DO  - 10.3133/b130
UR  - https://pubs.usgs.gov/publication/b130
ID  - b130
ER  -