U.S. Geological Survey ; topography by W.F. Leffingwell ... [et. al.]. Relief shown by contours and spot heights. "Topographic sheet." "Surveyed in... U.S. Geological Survey.
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Geological Survey (U.S.). Relief shown by contours and spot heights. "Surveyed in 1901." "E.M. Douglas, Geographer in charge. Triangulation and topography by Frank Tweedy." ... U.S. Geological Survey.
Geological Survey (U.S.). Relief shown by contours. Contour interval 20 feet. "H.M. Wilson, Geographer ; Van.H. Manning, in charge of section; Topography by W.N. Brown ; Con... U.S. Geological Survey.
Wilson, Herbert M. (Herbert Michael), 1860-1920. H.M. Wilson, geographer in charge ; triangulation by U.S. Coast and Geodetic Survey ; topography by J.D. Hoffman ... and U.S. Coast and Geodetic Su... U.S. Geological Survey.
Geological Survey (U.S.). Alfred H. Brooks, geologist in charge of division ; topography by D.C. Witherspoon, R.H. Sargent, and J.W. Bagley. Relief shown by contours and spo... U.S. Geological Survey.
U. S. Geological Survey, Charles D. Walcott, Director. "Alfred H. Brooks, Geologist in charge. Topography by T.G. Gerdine, R.B. Oliver, and W.R. Hi... U.S. Geological Survey.
Relief shown by contours and spot heights. "Contour interval 25 feet." "Alfred H. Brooks, geologist in charge. Topography by T.G. Gerdine, R.B. Oli... U.S. Geological Survey.
Geological Survey (U.S.), Douglas, Edward Morehouse, 1855-1932, and Evans, R. T. (Richard Tranter), b. 1881. U.S. Geological Survey ; E.M. Douglas, geographer in charge ; triangulation by T.M. Bannon ; topography by Richard T. Evans. "Surveyed in 1902." Re... U.S. Geological Survey.
Douglas, E. M. (Edward Morehouse), 1855-1932. Relief shown by contours and spot heights. "E.M. Douglas, Geographer in charge. Topography by R.H. Sargent. Triangulation by T.M. Bannon. Surveyed ... U.S. Geological Survey.
Relief shown by contours, hachures and spot heights. "Contour interval 20 feet." "Surveyed in 1901.". U.S. Geological Survey.