66 books
Preliminary Investigations and Surveys for Increasing the Water Supply of the District of Columbia
Report of Board of Engineers Upon New York and New Jersey Bridge, 1894 (Classic Reprint)
Reconnaissance Report: Westside Tributaries to Yolo Bypass, California; June 1994 (Classic Reprint)
Results of Discharge Observations, Mississippi River and Tributaries, for 1913 (Classic Reprint)