Map showing availability of hydrologic data publish as of 1974 by the U.S. Environmental Data Service and by the U.S. Geological Survey and cooperating agencies, Colorado Springs-Castle Rock area, Front Range Urban Corridor, Colorado

10.3133/i857d ◽  
1975 ◽  
1979 ◽  
Author(s):  
Donald E. Hillier ◽  
Paul A. Schneider ◽  
E. Carter Hutchinson

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