Illinois-Wisconsin, Grays Lake quadrangle : topography
- Image
- View Full Item
- Created Date
- 1923
- Description
Contour interval 10 feet.
"Surveyed in 1919-1920."
"Surveyed in cooperation with the States of Illinois and Wisconsin."
Relief shown by contours and spot heights.
1 map, colored
- Creator
- Geological Survey (U.S.)
- Contributing Institution
- University of Illinois at Urbana-Champaign Library
- Type
- image
- Language
- English
- Rights
- The University of Illinois Map Library requests the following acknowledgement be included when using this Historical Map: Map provided courtesy of the Map Library at the University of Illinois at Urbana-Champaign.
- Chicago citation style
- Geological Survey (U.S.). Illinois-Wisconsin, Grays Lake quadrangle : topography. 1923. Retrieved from the Digital Public Library of America, https://digital.library.illinois.edu/items/944efd00-82d4-0134-1f08-0050569601ca-7. (Accessed April 17, 2021.)
- APA citation style
- Geological Survey (U.S.), (1923) Illinois-Wisconsin, Grays Lake quadrangle : topography. Retrieved from the Digital Public Library of America, https://digital.library.illinois.edu/items/944efd00-82d4-0134-1f08-0050569601ca-7
- MLA citation style
- Geological Survey (U.S.). Retrieved from the Digital Public Library of America <https://digital.library.illinois.edu/items/944efd00-82d4-0134-1f08-0050569601ca-7>.