Acres American Incorporated,
Acres Task 6, Watana & Devil Canyon tunnel rating calculations.
Engineering calculations
Watana & Devil Canyon tunnel rating calculations
Harza-Ebasco Susitna Joint Venture document ;
Document (Susitna Hydroelectric Project) ;
Crawford, David (Hydraulic engineer), author.
Coleman, H. W. addressee.
R. J. S., author.
Acres American Incorporated.
HARZA-EBASCO Susitna Joint Venture.
Acres Task 6, Watana & Devil Canyon tunnel rating calculations.