User:Jstuby/ORCMG

Plates and Figures from The Origin and Relations of Central Maryland Granites, 1895

(public ___domain)

•  
•  
•  
•  
•  
•  
•  
•  
•  
•  
•  
•  
•  
•  
•  
•  
•  
•  
•  
•