MICROTUS PENNSYLVANICUS PENNSYLVANICUS; meadow vole; HENRY; 1989-08-09; GOGEBIC; PENNSYLVANICUS; SYLVANIA SOUTH PIPELINE, APPROX. 0.25 MI S ON US 45 FROM JCT OF US 2 AND US 45, 45DEG16'-89DEG10'; USA; MICHIGAN; MICROTUS