TY  - BOOK
AU  - Worcester,Philip G.
TI  - The geology of the Ward region, Boulder County, Colorado,
AV  - QE91 .A4 no. 21
PY  - 1920///]
CY  - Denver
PB  - Eames bros., state printers
KW  - Geology
KW  - Colorado
KW  - Boulder County
N1  - Bibliography: p. 72
ER  -