Table 1. Hyperion Excavation - Survey Interval^ 

 (Monthly Hydraulic Quantities) 



Mo. - Yr. 



Gross Plant Performance (yd^) 



1947 





Mar. 



350,600 



Apr. 



662,800 



May 



740,510 



June 



741,710 



July 



688,635 



Aug. 



506,325 



Sept. 



860,330 



Oct. 



942,265 



Nov. 



783,730 



Dec. 



1,120,760 



1948 





Jan. 



771,240 





8,168,905 Total 



Average : 



742,628 cubic yards per month 



*Peter Kiewit Sons' Co. and 

 Construction Aggregates Corp. 



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