scholarly journals Preliminary engineering geologic map and cross section of the Morrison Quadrangle, Jefferson County, Colorado

1980 ◽  
Author(s):  
Howard E. Simpson ◽  
Stephen S. Hart





1992 ◽  
Author(s):  
Bruce H. Bryant ◽  
C.M. Conway ◽  
J.E. Spencer ◽  
S.J. Reynolds ◽  
J.K. Otton ◽  
...  


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