U.S. Geological Survey Open-File Report 2009-1042
National Assessment of Historical Shoreline Change: A Pilot Study of Historical Coastal Bluff Retreat in the Great Lakes, Erie, Pennsylvania
Return to: Abstract » Introduction » Prior Assessments » Geology, Physiography, and Recession » Methodology » Bluff-Retreat Rates » Conclusion » Acknowledgments » References Cited |
Figure 4. Map showing physiographic provinces of Pennsylvania. The bluffs of Lake Erie are in the upper northwestern corner of the state, in the Central Lowlands Province. (From Sevan, 2000) [Click here or on figure for high-resolution JPG image, 2.5 MB.] |