Vail, Daniel. Middlesex County, N.J. 1938. "Studies of Aerial Pollution and River Pollution in the Raritan Valley." Copy of a report made to the Middlesex County Board of Chosen Freeholders by Daniel Vail, special investigator.
Wilber, Francis Augustus, 1851-1891. Papers, 1872-1916 (MS 66-192)
Rutgers College student, assistant and professor of analytical chemistry. Includes thesis on gauging the Raritan River (1879) and essay on water supply for cities and towns (1878). Letters and diary are about a survey of North Jersey and New York State mining conditions, 1880-1881, 1889, for the U.S. government.