Unless otherwise indicated, the maps in this collection are topographic in format, while also showing towns, cities, larger political divisions, transportation routes, and waterways. A legend and a description of USGS topographical maps are shown on the reverse sides of most of the maps in this collection; however, as many are cloth-backed, this information is not visible for each map. Maps are colored, measure 16" x 20", are based on a scale of 1/125,000, and are published by the United States Geological Survey.