- Title: Geological Map of Grant Parish Louisiana
- Author: H. N. Fisk
- Date: 1938
- Medium: Chromolithograph
- Condition: Very Good - folded
- Inches: 46 x 30 1/4 [Paper]
- Centimeters: 116.84 x 76.84 [Paper]
- Product ID: 319047
Geological map of Grant Parish in central Louisiana. Shows formations from the Quaternary, Miocene, Oligocene, and Eocene Periods, differentiated by color. Also depicts the city of Colfax, the Kisatchie National Forest, Nantaches Lake, and the Red River.