These four publications are as follows:

1.  Effects of Urbanization on Streamflow and Sediment Transport in the Rock Creek and Anacostia River Basins, Montgomery County, MD, 1962-1974

2.  Relations between Geology and Engineering Characteristics of Soils and Weathered Rocks of Fairfax County and Vicinity, Virginia

3.  Geologic Map of the Fairfax Quadrangle Fairfax County, Virginia

by Avery Ala Drake, Jr.

4.  Geologic Map of the Annandale Quadrangle, Fairfax and Arlington Counties, and Alexandria City, Virginia by Avery Ala Drake, Jr. and Albert J. Froelich

These materials have historical, geological value to specific areas of Maryland and Virginia,  Your purchase supports the Cazenovia Public Library.  (tr-J4)