The preparation of illustrations for reports of the United States Geological survey : with brief descriptions of processes of reproduction (1920)
Ridgway, John L. (John Livesy), b. 1859, United States. Dept. of the Interior, Geological Survey (U.S.) · Washington, D.C. : Government Printing Office · leaf 36
ding, folding, faulting, crosscutting dikes and veins, or other significant details should be indicated with precision. No attempt need be made to draw firm, steady lines so long as the essential facts are clearly expressed. All sections should be drawn to scale, and both the vertical and the… … PiGDBE 3. — Section and perspective view showing relations of surface features to the different kinds of rock and the structure of the beds. is grossly misleading. Sections should be drawn to scale on ruled paper prepared for the use of authors. Such paper may be obtained on requisition. A kind of…
Topographical drawing · Map drawing
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
