Geological Survey (U.S.). R.U. Goode, geographer ; R.B. Marshall, topographer in charge ; D.L. Reaburn, topographer. Shows topography. The Survey.
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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.
Geological Survey (U.S.), Douglas, Edward Morehouse, 1855-1932, and Matthes, François, 1874-1948. U.S. Geological Survey ; E.M. Douglas, geographer in charge ; topography by Franc̜ois E. Matthes. Surveyed in 1902-1903. "Contour interval 50 feet....
Geological Survey (U.S.). Relief shown by contours and spot heights. "Surveyed in 1910." "T.G. Gerdine, Geographer in charge. Topography by R.W. Pike.". Dept. of the Interior, U.S. Geological Survey.