The Sioux quartzite and certain associated rocks ...
- Des Moines, Published for the Iowa Geological Survey, 1896.
- vi p., 1 l., 69-112 p. illus., pl., 2 col. maps (1 fold.) 26 cm.
- Iowa. Geological Survey. [Reports and papers] v. 6 .
At head of title: Iowa Geological survey, volume VI.