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. 2010 Jul 14;5(7):e11554. doi: 10.1371/journal.pone.0011554

Figure 1. Map of the study region showing the geologic classes and state/province boundaries.

Figure 1

Key to abbreviations: Maine (ME), New Hampshire (NH), Vermont (VT), New York (NY), Massachusetts (MA), Rhode Island (RI), Connecticut (CT), Pennsylvania (PA), Delaware (DE), New Jersey (NJ), Maryland (MD), Ohio (OH), West Virginia (WV), Virginia (VA), New Brunswick (NB), Nova Scotia (NS) and Prince Edward Island (PE).