No. 1 shows relief by contours and spot heights, includes triangulation lines and is in color.; No. 2 shows relief by contours, is a photocopy on cloth and includes section.; Pen-and-ink.; Relief shown by contours and spot heights.
NOTE
No. 1 shows relief by contours and spot heights, includes triangulation lines and is in color.; No. 2 shows relief by contours, is a photocopy on cloth and includes section.; Pen-and-ink.; Relief shown by contours and spot heights.
Notes
false
Subjects:
Geology -- California -- New Almaden Region -- Maps, Manuscript; New Almaden Region -- Maps, Manuscript
SUBJECT
Geology -- California -- New Almaden Region -- Maps, Manuscript; New Almaden Region -- Maps, Manuscript