The Library of Congress’ collection of over 50,000 Sanborn maps includes over 700 that are available online. The resource provides articles and explanations on how to read and use the maps; samplers show the maps value for research, and is broken down further by an article demonstrating how to create a time series with the maps,
The Library of Congress’ collection of over 50,000 Sanborn maps includes over 700 that are available online. The resource provides articles and explanations on how to read and use the maps; samplers show the maps value for research, and is broken down further by an article demonstrating how to create a time series with the maps,