-
1Bacteriological water quality of Tulpehocken Creek basin, Berks and Lebanon Counties, Pennsylvania /by Barker, James L., 1936-
Published 1978Government Document Book -
2
-
3
-
4Published 1987Government Document Map
-
5Published 1987Government Document Map
-
6Published 1993Government Document Map
-
7Published 1987Government Document Map
-
8Published 1985Government Document Map