Search Results       Your search for [author]Walker, Kenneth Russel returned 1 record.           The stratigraphy, environmental sedimentology, and community ecology of the Middle Ordovician Black River Group New York State. by Walker, Kenneth Russel; Ann Arbor: University Microfilms, 1970. Subject: Black River Group, New York; Paleoecology; Paleontology.          Add to Book Cart Relevance: 21.40%