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 85
as possible. He should submit to the author all questions as to doubtful points, as well as all suggestions for im- provement in expression, before he makes any changes, and he should make corrections only on the author's approval. A seeming inac- curacy in an author's drawing may be a faithful… … FiGUKB 11. — Structure section showing method of determining the succession of folds. Penciled lines corresponding to those shown by dots in figure 11 should be carefully added in redrawing a roughly sketched section that shows complex folding. An original indefinite sketch that shows complicated…
Topographical drawing · Map drawing
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
