Historical Topographic Maps Non-Standard Scanned Map Series
Summary
USGS Historical Scanned Maps in PDF. May contain maps or related supplementary content for which georeferencing is difficult or impossible. Multi-Map Series: These scanned maps are different from the standard USGS topographic product in that the original published paper map from which it is derived contains multiple map frames each with an independent geographic extent. The first generation of this series was provided as a single plain image in PDF with no spatial referencing.
Summary
USGS Historical Scanned Maps in PDF. May contain maps or related supplementary content for which georeferencing is difficult or impossible.
Multi-Map Series: These scanned maps are different from the standard USGS topographic product in that the original published paper map from which it is derived contains multiple map frames each with an independent geographic extent. The first generation of this series was provided as a single plain image in PDF with no spatial referencing.
