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You searched for: Author Ryan Evans, Pennsylvania Natural Heritage Program - Pittsburgh office Remove constraint Author: Ryan Evans, Pennsylvania Natural Heritage Program - Pittsburgh office Subject Inland Waters Remove constraint Subject: Inland Waters Place Maryland, United States Remove constraint Place: Maryland, United States Data type Vector Remove constraint Data type: Vector
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1. Snail Sampling points Plummers Island: Pennsylvania

2005. Ryan Evans, Pennsylvania Natural Heritage Program - Pittsburgh office. April 2004 freshwater snail sampling points around Plummer's Island, Montgomery County, Maryland.