ENGINEERING AS A VOCATION
BY
ERNEST McCULLOUGH C.E.
Consulting Civil Engineer; Member of the American Society of Civil Engineers;
Western Society of Engineers; American Water Works Association; American
Society of Municipal Improvements; National Association of Cement
Users; American Society of Engineering Contractors; Illinois
Society of Engineering and Surveyors; Fellow of the
American Association for the Advancement
of Science; etc., etc.
NEW YORK
DAVID WILLIAMS COMPANY
339 West 39th Street
1911