"Emanating from the Fall Line city of Baltimore, site of the 2015 GSA Annual Meeting, these trips reflect the diversity of geological features in the mid-Atlantic region including the Piedmont, Appalachian Mountains, and Coastal Plain, and the importance of geology on the development and construction of the Baltimore-Washington, D.C., metropolitan area"--

A summary of recent scientific and economic results, accompanied by a list of publications released in fiscal 1962, a list of geologic and hydrologic investigations in progress, and a report on the status of topographic mapping.