Halbert Powers Gillette

Subjects

Engineering, Estimates, Excavation, Estimates and costs, Quarries and quarrying, Roads, Cost accounting, Earthwork, Management, Clearing of land, Climatology, Concrete construction, Construction, Cosmogony, Costs, Design and construction, Electric engineering, Electrical engineering, Fines and recoveries, Handbooks, manuals, Land tenure, Macadam roads, Macadamized Roads, Mechanical engineering, Northern Pacific Railway Company