Chemical composition of sedimentary rocks in Colorado, Kansas, Montana, Nebraska, North Dakota, South Dakota, and Wyoming.  by Thelma P. Hill [and others]
Contributors: Hill, T.P.
Publisher: Dept. of the Interior
Place of publication: Washington
Language: eng
Number of pages: 241
Subjects: Rocks, Sedimentary - United States - Great Plains region; Rocks, Sedimentary - United States - Rocky Mountains
Notes: 11