John Franklin Carll

John Franklin Carll (HM185F)

Location: Pleasantville, PA 16341 Venango County
Country: United States of America

N 41° 35.438', W 79° 34.641'

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Pioneer petroleum geologist and engineer, Carll originated many standard oil industry practices, including accurate drilling records, correlating and mapping sub-surface reservoir rocks, and explaining the increased productivity resulting from reservoir flooding. In the 2nd Geological Survey of Pennsylvania (1875), he provided basic explanations of northwestern Pa. surface and subsurface geology. He lived and worked here from 1864 until his death.
HM NumberHM185F
Year Placed2007
Placed ByPennsylvania Historical and Museum Commission
Marker ConditionNo reports yet
Date Added Saturday, September 6th, 2014 at 4:58am PDT -07:00
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Locationbig map
UTM (WGS84 Datum)17T E 618574 N 4605303
Decimal Degrees41.59063333, -79.57735000
Degrees and Decimal MinutesN 41° 35.438', W 79° 34.641'
Degrees, Minutes and Seconds41° 35' 26.28" N, 79° 34' 38.46" W
Driving DirectionsGoogle Maps
Area Code(s)814
Closest Postal AddressAt or near 219 E State St, Pleasantville PA 16341, US
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