Illinois-Iowa, Keithsburg quadrangle
- Image
- View Full Item
- Created Date
- 1941
- Description
1 map, colored
Shows roadway classification as of 1940.
Relief shown by contours and spot heights.
Surveyed in 1921, 1931, 1934, and 1935.
Culture and drainage in part compiled from aerial photographs taken by Air Corps, U.S. Army.
Contour intervals 10 and 20 feet changing on the 580 foot contour.
Scale 1:62,500
- Creator
Geological Survey (U.S.)
- Contributing Institution
- University of Illinois Urbana-Champaign Library
- Collection
- Historical Maps Online
- Subjects
- Topography
- Location
- Illinois
- Type
- image
- Language
- English
- Standardized Rights Statement
- No Copyright - In the United States:The organization that has made the Item available believes that the Item is in the Public Domain under the laws of the United States, but a determination was not made as to its copyright status under the copyright laws of other countries. The Item may not be in the Public Domain under the laws of other countries. Please refer to the organization that has made the Item available for more information.
- Rights
- No Copyright - United States
- Chicago citation style
- Geological Survey (U.S.). Illinois-Iowa, Keithsburg quadrangle. 1941. Retrieved from the Digital Public Library of America, https://digital.library.illinois.edu/items/a4813420-994e-0134-2096-0050569601ca-8. (Accessed March 28, 2024.)
- APA citation style
- Geological Survey (U.S.), (1941) Illinois-Iowa, Keithsburg quadrangle. Retrieved from the Digital Public Library of America, https://digital.library.illinois.edu/items/a4813420-994e-0134-2096-0050569601ca-8
- MLA citation style
- Geological Survey (U.S.). Retrieved from the Digital Public Library of America <https://digital.library.illinois.edu/items/a4813420-994e-0134-2096-0050569601ca-8>.