select all : clear all : add to favorites results 201-220 of 416 item(s)  page 11 of 21 : ( <<  11  12  13  14  15  16  17  18  19  20  >> ) :: previous : next
 
Browsing 416 item(s) in
 Image: Title: Subject: Description:
201. Illinois, Mount Olive quadrangle : topography. Illinois, Mount Olive quadrangle : topography. Mount Olive (Ill.); Illinois; Maps; Topographic maps; Topography 1 map : col.; Relief indicated by contours and spot heights.; "Surveyed in 1913"; "Surveyed in cooperation with the State of Illinois."; "Contour interval 20 feet."; Coordinates: (W 89⁰45ʹ00ʺ--W 89⁰30ʹ00ʺ/N...
202. Illinois, Mount Vernon quadrangle. Illinois, Mount Vernon quadrangle. Mount Vernon (Ill.); Illinois; Maps; Topographic maps; Topography 1 map : col.; Relief shown by contours and spot heights.; "Surveyed in 1928, 1930, 1932, and 1933"; "Contour interval 10 feet."
203. Illinois, Mt. Carroll quadrangle : 15-minute series. Illinois, Mt. Carroll quadrangle : 15-minute series. Mount Carroll (Ill.); Illinois; Maps; Topographic maps; Topography 1 map : col.; Relief shown by contours and spot heights.; "Surveyed in 1939, 1940, and 1942"; "Contour interval 20 feet"; Road classification as of 1943.
204. Illinois, Mt. Sterling quadrangle Illinois, Mt. Sterling quadrangle Mt. Sterling (Ill.); Illinois; Maps; Topographic maps; Topography 1 map : col.; Relief shown by contours and spot heights.; "Contour interval 20 feet"; "Surveyed in 1925-1926."
205. Illinois, Murphysboro quadrangle : topography. Illinois, Murphysboro quadrangle : topography. Murphysboro (Ill.); Illinois; Maps; Topographic maps; Topography 1 map : col.; Relief indicated by contours and spot heights.; "Surveyed in 1908."; "Surveyed in cooperation with the State of Illinois."; "Contour interval 20 feet."
206. Illinois, New Athens quadrangle : topography. Illinois, New Athens quadrangle : topography. New Athens (Ill.); Illinois; Maps; Topographic maps; Topography 1 map : col.; Relief indicated by contours and spot heights.; "Surveyed in 1908-1909."; "Surveyed in cooperation with the State of Illinois."; "Contour interval 20 feet."
207. Illinois, New Douglas quadrangle : 15-minute series. Illinois, New Douglas quadrangle : 15-minute series. New Douglas (Ill.); Illinois; Maps; Topographic maps; Topography 1 map : col.; Relief shown by contours.; "Contour interval 10 feet."; "Surveyed in 1936 and 1937."; Shows roadway classification as of 1943.
208. Illinois, Newton quadrangle : 15-minute series. Illinois, Newton quadrangle : 15-minute series. Newton (Ill.); Illinois; Maps; Topographic maps; Topography 1 map : col.; Relief shown by contours and spot heights.; "Surveyed in 1941."; "Contour interval 10 feet."
209. Illinois, Normal quadrangle. Illinois, Normal quadrangle. Normal (Ill.); Illinois; Maps; Topographic maps; Topography 1 map : col.; Relief shown by contours and spot heights.; "Surveyed in 1925-1926."; "Contour interval 10 feet."; Shows roadway classification as of 1929.
210. Illinois, Oakland quadrangle. Illinois, Oakland quadrangle. Oakland (Ill.); Illinois; Maps; Topographic maps; Topography 1 map : col.; Relief shown by contours and spot heights.; "Culture and drainage in part compiled from aerial photographs taken by Air Corps, U.S. Army."; "Surveyed in 1922, 1935 and 1936."; "Contour interval...
211. Illinois, Okawville quadrangle : topography. Illinois, Okawville quadrangle : topography. Okawville (Ill.); Illinois; Maps; Topographic maps; Topography 1 map : col.; Relief indicated by contours and spot heights.; "Surveyed in 1908."; "Surveyed in cooperation with the State of Illinois."; "Contour interval 20 feet."
212. Illinois, Oregon quadrangle. Illinois, Oregon quadrangle. Oregon (Ill.); Illinois; Maps; Topographic maps; Topography 1 map : col.; Relief shown by contours and spot heights.; "Surveyed in 1921-1922"; "Contour interval 20 feet."; Coordinates: (W 89⁰30ʹ00ʺ--W 89⁰15ʹ00ʺ/N 42⁰15ʹ00ʺ--N 42⁰00ʹ00ʺ)
213. Illinois, Orion quadrangle. Illinois, Orion quadrangle. Orion (Ill.); Illinois; Maps; Topographic maps; Topography 1 map : col.; Relief shown by contours and spot heights.; "Culture and drainage in part compiled from aerial photographs taken by Air Corps, U.S. Army."; "Surveyed in 1930-1932"; "Contour interval 20 feet."...
214. Illinois, Ottawa sheet. Illinois, Ottawa sheet. Ottawa (Ill.); Illinois; Maps; Topographic maps; Topography 1 map : col.; Relief indicated by contours.; "Surveyed in 1890."; "Contour interval 10 feet."
215. Illinois, Peoria quadrangle : topography. Illinois, Peoria quadrangle : topography. Peoria (Ill.); Illinois; Maps; Topographic maps; Topography 1 map : col.; Relief indicated by contours.; "Surveyed in 1902-1904."; "Contour interval 10 feet."
216. Illinois, Pinckneyville quadrangle. Illinois, Pinckneyville quadrangle. Pinckneyville (Ill.); Illinois; Maps; Topographic maps; Topography 1 map : col.; Relief shown by contours and spot heights.; "Surveyed in 1921 and 1924"; "Contour interval 20 feet."
217. Illinois, Piper City quadrangle : 15-minute series. Illinois, Piper City quadrangle : 15-minute series. Piper City (Ill.); Illinois; Maps; Topographic maps; Topography 1 map : col.; Relief shown by contours and spot heights.; "Mapped by the Geological Survey, 1944"; Contour interval 10 feet."
218. Illinois, Potomac quadrangle. Illinois, Potomac quadrangle. Potomac (Ill.); Illinois; Maps; Topographic maps; Topography 1 map : col.; Relief shown by contours and spot heights.; "Surveyed in 1931-1932"; "Contour interval 10 feet"; Shows roadway classification as of 1934.; (W 88⁰00ʹ00ʺ--W 87⁰45ʹ00ʺ/N 40⁰30ʹ00ʺ--N...
219. Illinois, Prophetstown quadrangle. Illinois, Prophetstown quadrangle. Prophetstown (Ill.); Illinois; Maps; Topographic maps; Topography 1 map : col.; Relief shown by contours and spot heights.; "Culture and drainage in part compiled from aerial photographs taken by Air Corps, U.S. Army"; "Surveyed in 1928 and 1931-1932"; "Contour interval...
220. Illinois, Ramsey quadrangle : 15-minute series. Illinois, Ramsey quadrangle : 15-minute series. Ramsey (Ill.); Illinois; Maps; Topographic maps; Topography 1 map : col.; Relief shown by contours and spot heights.; "Mapped by the Geological Survey, 1922 and 1942-1944"; "Contour interval 20 feet."
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