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Start Over Year 1913 Resource Type Topographic maps Publisher Geological Survey (U.S.)

1. Illinois, Colchester quadrangle : topography

Maps University Of Illinois Urbana Champaign Public content
1913. Geological Survey (U.S.). Contour interval 20 feet.;"Surveyed in 1911."; (W 91⁰00ʹ00ʺ--W 90⁰45ʹ00ʺ/N 40⁰30ʹ00ʺ--N 40⁰15ʹ00ʺ);Relief shown by contours.;1 map, colored;45 x 35... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).

2. Illinois (Logan County), Lincoln quadrangle : topography

Maps University Of Illinois Urbana Champaign Public content
1913. Geological Survey (U.S.). Contour interval 10 feet.;"Surveyed in 1911.";Relief shown by contours and spot heights.;1 map, colored;45 x 35 cm.;1:62,500. Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).

3. Illinois, Sumner quadrangle : topography

Maps University Of Illinois Urbana Champaign Public content
1913. Geological Survey (U.S.). Contour interval 20 feet.;"Surveyed in 1911.";"Surveyed in cooperation with the State of Illinois.";Relief shown by contours.;1 map, colored;45 x 3... Geological Survey (U.S.) and State Geological Survey (Urbana, Ill.).

4. Illinois, Waterloo quadrangle : topography

Maps University Of Illinois Urbana Champaign Public content
1913. Geological Survey (U.S.). Contour interval 20 feet.;"Surveyed in 1910.";"Surveyed in cooperation with the State of Illinois.";Relief indicated by contours and spot heights.;... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).

5. Illinois-Iowa Galena quadrangle : topography

Maps University Of Illinois Urbana Champaign Public content
1913. Geological Survey (U.S.). Contour interval 20 feet.;"Surveyed 1909 and 1911.";"Surveyed in cooperation with the State of Illinois.";Relief indicated by contours and spot hei... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).