"Contour interval 100 feet." Relief shown by contours and spot heights. "Compiled in 1955 by photogrammetric methods and from United States Quadrangles, 1:62,500 and 1:125,000, USGS, 1909-30. Planimetric detail revised by photo-planimetric methods. Horizontal and vertical control by USGS, USC&GS, and CE. Photography field annotated 1955." "100,000-foot grid based on Oklahoma coordinate system, north zone." Includes magnetic declination information, sectionalized township diagram, and location and reliability diagrams. "36096-A1-TF-250." Includes Grant, Kay, Osage, Garfield, Noble, Pawnee, Kingfisher, Logan, Payne, Creek, and Tulsa counties