Clastic dikes intruding Cretaceous coals of western Colorado

Main Author: Hardie, John K.
Other Authors: Bostick, N. H., Colorado Geological Survey.
Format: Book
Language: English
Published: Denver, Colo. : Colorado Geological Survey, 1999.
Physical Description: vi, 48 pages : illustrations ; 28 cm.
Series: Bulletin (Colorado Geological Survey) ; 53.
Subjects: