International Correspondence Schools · Scranton, Pa. : The Colliery engineer co. · leaf 333
922 RAILROAD CONSTRUCTION. … RAILROAD CONSTRUCTION. 923 The number of trips in a day for a iOO-foot lead will, there- r , (JOU (number of minutes in day) _G00_ GOO _ number of 75 feet length in lead + 15 ~~ 415 5.53 ~ 75108.5 trips at | cu. yd. per trip = 21.7 cubic yards, theamount of material hauled by each team per day. As…
Railroad engineering
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