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In 2015, the USGS unveiled the topoView website, a new way to view their entire digitized collection of over 178,000 maps from 1884 to 2006. The site is an interactive map of the United States that allows users to search or move around the map to find the USGS collection of maps for a specific area.
The Libre Map Project was started by Jared Benedict and around 100 additional individuals contributing money to purchase (or "liberate") a full set of 1:24K scale USGS topographic maps in Digital raster graphic form. [1] The map files were then hosted by archive.org to ensure the map data will continue to be freely available to everyone ...
USGS Topographic maps are downloadable as pdf files from a searchable map or by a search if the map name is known. How a Topographic Map is Manufactured, History, and Other Information; The International Cartographic Association (ICA) Commission on Topographic Mapping
The township is located in northern Crawford County and is bordered by Erie County to the north. Cussewago Creek, a tributary of French Creek and part of the Allegheny River watershed, flows from north to south across the western side of the township.
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Geologic Province: [5] Northwestern Glaciated Plateau Lowest Elevation: [6] 1,050 ft (320 m) where French Creek flows out of the township. Highest Elevation: [6] 1,550 ft (470 m) at a high point just north of Freyermuth Road.
The township is in southwestern Crawford County and is bordered to the south by Mercer County.It contains the unincorporated community of Atlantic.. According to the United States Census Bureau, the township has a total area of 28.1 square miles (72.8 km 2), of which 28.1 square miles (72.7 km 2) is land and 0.04 square miles (0.1 km 2), or 0.14%, is water.
As of the census [8] of 2000, there were 775 people, 265 households, and 209 families residing in the township. The population density was 27.4 inhabitants per square mile (10.6/km 2).