TY  - BOOK
AU  - Toepelman,W.C.
TI  - Preliminary notes on the revision of the geological map of eastern Colorado,
AV  - QE91 .A4 no. 20
PY  - 1924///
CY  - Boulder, Col.
KW  - Geology
KW  - Colorado
KW  - Maps
N1  - Map on loose sheet
ER  -