|   
                     
                     1900
                     
                    
                     
                     Plate LXXI. Ashland Quadrangle. Oregon. 
                     
                    
                     
                     [Geologic Atlas, Geology Book]
                     
                    
                     
                     Plate LXXI. Ashland Quadrangle. Oregon. 
                     
                    | 
      
        |   
                     
                     1900
                     
                    
                     
                     Plate LXXII. Klamath Quadrangle, Oregon.
                     
                    
                     
                     [Geologic Atlas, Geology Book]
                     
                    
                     
                     Plate LXXII. Klamath Quadrangle, Oregon.
                     
                    | 
      
        |   
                     
                     1887
                     
                    
                     
                     Plate LXXXV. Placerville Quadrangle, Lan
                     
                    
                     
                     [Geologic Atlas, Geology Book]
                     
                    
                     
                     Plate LXXXV. Placerville Quadrangle, Lan
                     
                    | 
      
        |   
                     
                     1889
                     
                    
                     
                     Plate LXXXVI. Pyramid Peak Quadrangle, L
                     
                    
                     
                     [Geologic Atlas, Geology Book]
                     
                    
                     
                     Plate LXXXVI. Pyramid Peak Quadrangle, L
                     
                    | 
      
        |   
                     
                     1888
                     
                    
                     
                     Plate LXXXVII. Jackson Quadrangle, Land 
                     
                    
                     
                     [Geologic Atlas, Geology Book]
                     
                    
                     
                     Plate LXXXVII. Jackson Quadrangle, Land 
                     
                    | 
      
        |   
                     
                     1889
                     
                    
                     
                     Plate LXXXIX. Markleeville Quadrangle, C
                     
                    
                     
                     [Geologic Atlas, Geology Book]
                     
                    
                     
                     Plate LXXXIX. Markleeville Quadrangle, C
                     
                    | 
      
        |   
                     
                     1900
                     
                    
                     
                     Plate CXV. Sonora Quadrangle, California
                     
                    
                     
                     [Geologic Atlas, Geology Book]
                     
                    
                     
                     Plate CXV. Sonora Quadrangle, California
                     
                    |