GeoHistory Resources | 
			
			
	
				The topographic maps of the United States [Reverse side of USGS maps FF-CivDef-20, FF-CivDef-21, and FF.CivDef-22], 1944 ca.PlanWork Title: 
			The topographic maps of the United States [Reverse side of USGS maps FF-CivDef-20, FF-CivDef-21, and FF.CivDef-22], 1944 ca. 
			
			
			
			Surveyor: 
			USGS 
			
			
			
			Date: 
			1944 ca. 
			
			
			
			Size: 
			20 x 17 in. 
			
			
			
			Image Note: 
			The colors in this image may have been adjusted to enhance legibility, and may not accurately reflect the original item. 
			
			
			
			Map Features: 
			General information about topographic maps, with a key to symbols used 
			
			
			
			Media: 
			Paper 
			
			
			
			Source: 
			
			
			Image File(s): 
				
		
			FF-CivDef-20_reverse 
		 
					
	
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