41 8 BULLETIN OF THE BUREAU OP FISHERIES. 



NEW YORK. 



Bath. Chemung formation. Devonian age. 



Buffalo. Salina formation, Silurian age, and Onondaga limestone and Hamilton shale, Devonian 

 age. 



Caledonia. Onondaga limestone and Oriskany sandstone, Devonian age; Salina shale, Silurian age. 



Cape Vincent. Trenton limestone. Ordovician age. 



Chautauqua Lake. Chemung formation. Devonian age. 



Cold Spring Harbor. Glacial gravel and sand. Quaternary age. 



Constantia. Medina sandstone. Silurian age. 



Margaretville. Catskill formation. Devonian age. 



Old Forge. Mica gneiss. Archean age. 



Saranac Lake. Granite, gabbro, gneiss, and schist. Archean age. 



NORTH CAROLINA. 



Edenton. Sand and clay. Quaternary age. 



OHIO. 



Put-in Bay. Lower Helderberg limestone. Devonian age. 



OREGON. 



Clackamas. Volcanic breccia; probably Tertiary age. 



Cazadero. Volcanic breccia; probably Tertiary age. 



Willamette River. Flood plain sand and clay, Quaternary age; Sandstone, Eocene age. 



Rogue River. Formation unknown. 



PENNSYLVANIA. 



Bellefonte. Trenton limestone. Ordovician age. 



Freeland. Coal measure sandstone and shale. Carboniferous age. 



Weissport. Hamilton shale. Devonian age. 



Spruce Creek. Trenton limestone. Ordovician age. 



SOUTH DAKOTA. 



Spearfish. Spearfish formation. Triassic age. 



TENNESSEE. 

 Erwin. Honaker limestone. Cambrian age. 



TEXAS. 



San Marcos. Del Rio formation. Cretaceous age. 



UTAH. 



Provo Valley. Mesozoic rocks; mainly shales of Mesozoic age. 



VERMONT. 



Groton. West part of town in granite. Age unknown. East part in mica slate; probably Ordovic- 

 ian age. 



Sharon. Mica schist; probably Ordovician age. 



St. Johnsbury. Mica schist; probable Ordovician age, with much glacial gravel of Quaternary age. 



Swanton. Trenton limestone. Ordovician age. 



VIRGINIA. 



Wytheville. Shaly limestone. Cambrian age. 



