Celebrating a Century and a Half: The Geologic Survey

Posted by Donald Hoskins on Nov 29, 2013 in | Comments Off on Celebrating a Century and a Half: The Geologic Survey The Pennsylvania Geo­logical Survey, offi­cially known today as the Bureau of Topo­graphic and Geologic Survey, and one of the bureaus of the Department of Environmental Resources, is one of only a very few of the Common­wealth’s executive branch agencies whose history can be traced to the first half of the nineteenth century. Created in 1836, the survey spawned three subsequent geologic...
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Lehigh County: The Land and Its People

Posted by Daniel Gilbert on Nov 29, 2013 in | Comments Off on Lehigh County: The Land and Its People Lehigh County encompasses the western half of the Lehigh Valley in eastern Pennsylvania. Bounded on the east by the Lehigh River, the main geographical feature of the larger valley, and on the north by the Blue Mountain range, the land is a mosaic of lime­stone plain, sinks and rolling hills. While the southern region of the county lies astride the so-called South Moun­tain and the hills of the...
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