1. Cockeysville quadrangle--geology, hydrology, and mineral resources [cartographic material] Yale Public content 1975. 2016-06-09T16:57:33Z. 2016-08-20T21:14:34Z. Maryland Geological Survey. State of Md., Dept. of Natural Resources, Md. Geological Survey, Williams & Heintz Map Corp.). English. cartographic image. Public. Maryland and Cockeysville Region.