Background
YARNELL, David Leroy was born on January 13, 1886 in Storm Lake, Iowa, United States. Son of Ervin and Catherine (Countryman) Yarnell.
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David Leroy YARNELL
Edit ProfileEducation
Iowa. State College, B.C.E., 1908. Continuing Education 1916. State University, of Iowa, M.Sc., 1926.
Career
Assistant Drainage Engineer, United States Department of Agriculture, 1909-1911. Drainage Engineer, 1911-1916. Senior Drainage Engineer, United States Department of Agriculture.
Made Surveys and plans for reclamation of swamp and over flowed land in various projects. Conducted special investigations of all types of trenching and excavating machinery for use in reclamation of swamp and overflowed lands. Also hydraulic researches on bow of water in drain tile, pipe and box culverts.
Obstruction of bridge piers to the flow of water, and allied hydraulic problems.
Membership
Member: American Society of Civil Engineers. Iowa. Engineering Society. Sigma Xi; Acacia.
Connections
Spouse Alice Lee Roche, August 24, 1914, Frederick, Maryland.
