"Surveyed August, 1921."; Accompanied by 2 field notebooks (nos. 801, 875); Contour interval 20 ft.; Datum: Mean sea level.; Dobbel1-3 triangulation notebooks on "Field map, topography, Camulos quadrangle" record.; Includes geological legend.; Includes section and primary triangulation diagram -- Scale: 1" = 9000."; McPherson1-2 triangulation notebooks on "Geologic folio of a portion of the Pleasanton quadrangle" record.; No. 1-2 consist of ms. map, uncolored map on traceable paper, Van Dyck negative, and hand col. blue line print.; Triangulation by C. A. Dobbel and J. D. McPherson; topography and geology by G.W. Bowes, R.F.M. Duncan, and L.L. Aubert.
NOTE
"Surveyed August, 1921."; Accompanied by 2 field notebooks (nos. 801, 875); Contour interval 20 ft.; Datum: Mean sea level.; Dobbel1-3 triangulation notebooks on "Field map, topography, Camulos quadrangle" record.; Includes geological legend.; Includes section and primary triangulation diagram -- Scale: 1" = 9000."; McPherson1-2 triangulation notebooks on "Geologic folio of a portion of the Pleasanton quadrangle" record.; No. 1-2 consist of ms. map, uncolored map on traceable paper, Van Dyck negative, and hand col. blue line print.; Triangulation by C. A. Dobbel and J. D. McPherson; topography and geology by G.W. Bowes, R.F.M. Duncan, and L.L. Aubert.
Notes
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