|   
                     
                     1900
                     
                    
                     
                     Plate CXXX. Seattle Quadrangle, Washingt
                     
                    
                     
                     [Geologic Atlas, Geology Book]
                     
                    
                     
                     Plate CXXX. Seattle Quadrangle, Washingt
                     
                    | 
      
        |   
                     
                     1900
                     
                    
                     
                     Plate CXXXI. Mount Stuart Quadrangle, Wa
                     
                    
                     
                     [Geologic Atlas, Geology Book]
                     
                    
                     
                     Plate CXXXI. Mount Stuart Quadrangle, Wa
                     
                    | 
      
        |   
                     
                     1900
                     
                    
                     
                     Plate CXXXII. Ellensburg Quadrangle, Was
                     
                    
                     
                     [Geologic Atlas, Geology Book]
                     
                    
                     
                     Plate CXXXII. Ellensburg Quadrangle, Was
                     
                    | 
      
        |   
                     
                     1900
                     
                    
                     
                     Plate CXXXIII. Chelan Quadrangle, Washin
                     
                    
                     
                     [Geologic Atlas, Geology Book]
                     
                    
                     
                     Plate CXXXIII. Chelan Quadrangle, Washin
                     
                    |