41 8 BULLETIN OF THE BUREAU OF 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. 



MargaretviUe. — 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. — L<i\ver 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 imknovvn. 



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. 



