Results of spirit leveling in Iowa, 1896 to 1913, inclusive
By: R.B. Marshall, chief geographer. Work done in cooperation with the State of Iowa from 1907 to 1913, inclusive.
Series: U.S. Geological survey. Bulletin 569
Publisher: Govt. Print. Off.
Published: 1915
Place of publication: Washington
Language: eng
Number of pages: 126
Subjects: Iowa -- Altitudes.
Notes: Includes index.