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The Pennsylvania Geological Survey, or Bureau of Topographic and Geologic Survey (BTGS), is a geological survey enacted by the Pennsylvania General Assembly "to serve the citizens of Pennsylvania by collecting, preserving, and disseminating impartial information on the Commonwealth's geology, geologic resources, and topography in order to contribute to the understanding, wise use, and ...
Richardson adopted Campbell's unique field methodology and the two became lifelong friends. Richardson was assigned the Indiana quadrangle, which is about 235 square miles. In two and a half months, he discovered that the so-called (by the Second Pennsylvania Geological Survey) "Indiana anticline" is a syncline. [4]
The Allegheny Group, often termed the Allegheny Formation, [2] is a Pennsylvanian-age geological unit in the Appalachian Plateau.It is a major coal-bearing unit in the eastern United States, extending through western and central Pennsylvania, western Maryland and West Virginia, and southeastern Ohio.
This region in Pennsylvania, made famous by NASA's LANDSAT images, is the second-largest in the state and home to the famous anthracite fields. The rocks here are severely folded and contain numerous anticlines and synclines that plunge and fold back over each other. There are numerous thrust faults that help create a chaotic mess.
Details of the type section and of stratigraphic nomenclature for this unit as used by the U.S. Geological Survey are available on-line at the National Geologic Map Database. [2] Current nomenclature usage by U.S. Geological Survey restricts the name Old Port Formation to Pennsylvania, but correlative units are present in adjacent states. [3]
The grave of Henry Darwin Rogers, Dean Cemetery Henry Darwin Rogers FRS FRSE LLD (1 August 1808 – 26 May 1866) was an American geologist. His book, The Geology of Pennsylvania: A Government Survey (1858), was regarded as one of the most important publications on American geology issued up to that point.
During 1873–74 and from 1878 to 1880 he was geologist for the United States Geological Survey. He also served on the Pennsylvania Geological Survey from 1875 to 1878 and from 1881 to 1882. He was president of the Geological Society of America in 1898. [2] He died in New Canaan, Connecticut on August 10, 1924. [3]
Anna spent time working at the American Museum of Natural History throughout 1916 and 1917, she then worked as a geologist for the Maryland and Pennsylvania Geological Surveys between 1919 and 1937. She worked as a geologist two more times, firstly for the Virginia Geological Survey from 1926 to 1945, and secondly with the U.S. Geological ...