The cretaceous formations of northeastern Colorado and the foothills formations of north-central Colorado, by Junius Henderson.
Material type:
TextSeries: Colorado. Geological survey. Bulletin 19Publication details: Denver, Col., Eames brothers, state printers, 1920.Description: 98 p. illus., fold. map (in pocket) 23 cmSubject(s): LOC classification: - QE91 .A4 no.19
At head of title: Colorado Geological survey, Boulder ...
Bibliography: p. 53-57, 94-96.
Bibliographical foot-notes.
There are no comments on this title.