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GLACIAL DEPOSITS OF PENNSYLVANIA. SYMBOLS. EXPLANATION. MAP 59. By W. D. Sevon and D. D. Braun. Second Edition, 1997; Second Printing, 2000. ...
http://www.dcnr.state.pa.us/topogeo/maps/map59.pdf from arctic or subarctic in glacial periods to temperate or subtropical during intergla ... of glacial sediments. Key: 1) basal till, 2) flowtill, 3) planar ...
http://www.state.nj.us/dep/njgs/enviroed/infocirc/glacial.pdf of the world glacial expansion is known to have taken place between 800 A.D. ... The most recent period of glacial expansion, during which glaciers remained ...
http://ruby.fgcu.edu/courses/twimberley/EnviroPhilo/Glacial.pdf Recommended citation: Ohio Division of Geological Survey, 2005, Glacial map of Ohio: Ohio Department ... characteristic of glacial sediments that have been ...
http://www.dnr.state.oh.us/portals/10/pdf/glacial.pdf glacial carbon cycle change is a 170-Gt increase in the atmosphere, a 500-Gt increase on land, ... of this carbon pool has led to the proposal that glacial ...
http://www.atmos.umd.edu/~zeng/papers/Zeng03_glacialC.pdf Figure 3: Landforms of continental glaciation are unmistakable. .... Illustrations from Bulletin 4 - The GLACIAL LAKES around MICHIGAN - Page 2 of 16 ...
http://www.michigan.gov/documents/deq/GIMDL-BU04pixs_216120_7.pdf past climate forcings, the Last Glacial Maximum (LGM) and the mid-Holocene. ... 21 000 yr ago, is a glacial period with large changes in the greenhouse ...
http://www.cgd.ucar.edu/ccr/ottobli/pubs/Otto-Bliesner-JClimate-Paleo-19.pdf ter-stream sediment and some glacial-lake sediment. The vertical axis represents time; the time scale is irregular before 17000 years before present. ...
http://www.geology.wisc.edu/~davem/abstracts/06-1.pdf |