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 
                     
                    
                 
              
                
                
              
                
                
              
                
                
              
                
                
              
            
            
            
            
          
         | 
      
      
    
    
      
      
      
            
      
        
      
        
          
          
          
          
          
          
           
          
          
          
            
            
              
                
                
                   
                     
                     1900
                     
                    
                 
              
                
                
              
                
                
              
                
                
              
                
                
              
                
                
              
                
                
              
                
                
              
                
                
                   
                     
                     Plate XC. Dardanelles Quadrangle, Califo
                     
                    
                 
              
                
                
                   
                     
                     [Geologic Atlas, Geology Book]
                     
                    
                 
              
                
                
              
                
                
              
                
                
                   
                     
                     Plate XC. Dardanelles Quadrangle, Califo
                     
                    
                 
              
                
                
              
                
                
              
                
                
              
                
                
              
            
            
            
            
          
         | 
      
      
    
    
      
      
      
            
      
        
      
        
          
          
          
          
          
          
           
          
          
          
            
            
              
                
                
                   
                     
                     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
                     
                    
                 
              
                
                
              
                
                
              
                
                
              
                
                
              
            
            
            
            
          
         |