Alan Cressler:
Allen Creek, U.S. Geological Survey Sample Site, Corbett's Glen Nature Park, Town of Brighton, Monroe County, New York 1
Alan Cressler:
Allen Creek, U.S. Geological Survey Sample Site, Corbett's Glen Nature Park, Town of Brighton, Monroe County, New York 2
Alan Cressler:
Apalachin Creek, U.S. Geological Survey Sample Site, Apalachin, Tioga County, New York 1
Alan Cressler:
Apalachin Creek, U.S. Geological Survey Sample Site, Apalachin, Tioga County, New York 3
Alan Cressler:
Callirhoe pedata, Choconut Creek, U.S. Geological Survey Sample Site, Choconut, Susquehanna County, Pennsylvania 1
Alan Cressler:
Callirhoe pedata, Choconut Creek, U.S. Geological Survey Sample Site, Choconut, Susquehanna County, Pennsylvania 2
Alan Cressler:
Choconut Creek, U.S. Geological Survey Sample Site, Choconut, Susquehanna County, Pennsylvania 1
Alan Cressler:
Choconut Creek, U.S. Geological Survey Sample Site, Choconut, Susquehanna County, Pennsylvania 2
Alan Cressler:
Choconut Creek, U.S. Geological Survey Sample Site, Choconut, Susquehanna County, Pennsylvania 3
Alan Cressler:
Cichorium intybus, Nanticoke Creek, U.S. Geological Survey Sample Site, Broome County, New York 1
Alan Cressler:
Hammond Creek, U.S. Geological Survey Sample Site, Wells, Bradford County, Pennsylvania 1
Alan Cressler:
Hammond Creek, U.S. Geological Survey Sample Site, Wells, Bradford County, Pennsylvania 2
Alan Cressler:
Hammond Creek, U.S. Geological Survey Sample Site, Wells, Bradford County, Pennsylvania 3
Alan Cressler:
Hayley Templar, Mudlick Creek, U.S. Geological Survey Sample Site, Algae Sample Collecting, Seeley Creek, Chemung County, New York 1
Alan Cressler:
Leah Kammel, Mudlick Creek, U.S. Geological Survey Sample Site, Bed Sediment Collecting, Seeley Creek, Chemung County, New York 1
Alan Cressler:
Little Choconut Creek, U.S. Geological Survey Sample Site, Johnson City, Broome County, New York 1
Alan Cressler:
Little Choconut Creek, U.S. Geological Survey Sample Site, Johnson City, Broome County, New York 2
Alan Cressler:
Lobelia cardinalis, Sugar Run, U.S. Geological Survey Sample Site, State Game Lands No. 172, Susquehanna County, Pennsylvania 1
Alan Cressler:
Matteuccia struthiopteris, Fertile Fronds, Nanticoke Creek, U.S. Geological Survey Sample Site, Broome County, New York 1
Alan Cressler:
Matteuccia struthiopteris, Nanticoke Creek, U.S. Geological Survey Sample Site, Broome County, New York 1
Alan Cressler:
Mimulus ringens, Nanticoke Creek, U.S. Geological Survey Sample Site, Broome County, New York 1
Alan Cressler:
Mudlick Creek, U.S. Geological Survey Sample Site, Seeley Creek, Chemung County, New York 1
Alan Cressler:
Mudlick Creek, U.S. Geological Survey Sample Site, Seeley Creek, Chemung County, New York 2
Alan Cressler:
Nanticoke Creek, U.S. Geological Survey Sample Site, Broome County, New York 1
Alan Cressler:
Nanticoke Creek, U.S. Geological Survey Sample Site, Broome County, New York 2
Alan Cressler:
Nanticoke Creek, U.S. Geological Survey Sample Site, Electrofishing, Broome County, New York, Marshall Williams, Jason May, Daniel Calhoun 2
Alan Cressler:
Northrup Creek, U.S. Geological Survey Sample Site, North Greece, Monroe County, New York 1
Alan Cressler:
Northrup Creek, U.S. Geological Survey Sample Site, North Greece, Monroe County, New York 2
Alan Cressler:
Postcard Falls, Allen Creek, U.S. Geological Survey Sample Site, Corbett's Glen Nature Park, Town of Brighton, Monroe County, New York 1
Alan Cressler:
Rochester, Genesee River, from the Ford Street Bridge, Monroe County, New York 1
