This is just the beginning! Our collection holds over 300 years of history, including rare newspapers, obituaries, marriage records, birth records, and so much more—most of which you won’t find anywhere else!
How Topographic Maps Are Created by Cartographers
Betty Debnam explains topo graphic maps show natural and man made features with scale. Steps include aerial photographs, trained pilots, ground surveyors, stereo plotters, computer aided mapping, color plastic sheets, and tracing tools, culminating in the art of cartography. The Mini Page credits the U S Geological Survey and the American Congress on Surveying and Mapping.
MENTIONED IN THIS ARTICLE
U.S. Geological Survey
The
American Congress On Surveying and Mapping