CENOZOIC TIME TERTIARY, 885 



4. Claiborne Epoch. Upper part of Claiborne of Conrad, oc- 

 curring along the Alabama and Tombigbee rivers (Langdon), and in 

 Arkansas. 



3. LowEK Claiborne Epoch. Part of the Claiborne of Conrad, 

 separated here by Harris ; occurs in Alabama, Georgia, and South 

 Carolina, and includes the Buhrstone of Juomey and Lyell, and the 

 Siliceous and Calcareous Claiborne of Mississippi. 



2. LiGNiTic Epoch. Represented by the Lignitic beds, in part, of 

 Conrad and Hilgard, including the beds between the Buhrstone and 

 the Matthews Landing clays, as restricted by Harris ; La Grange 

 group, in part, of Safford ; Eolignitic, in part, of Heilprin. 



1. Midway Epoch. Part of the Lignitic of Conrad, and of Smith 

 and Johnson ; represented by the Calcareous beds near Midway, and 

 the Matthews Landing clays, on the Alabama River. 



6. MARINE TERTIARY OF THE PACIFIC BORDER. 



3. Pliocene period. 



Represented by local deposits in California, Oregon, and 

 Washington. 



2. Miocene period. 



Represented by deposits in the coast region of California, which 

 partly constitute the Coast Range at Astoria, Oregon, on the Columbia 

 River, and also in Washington, to the north. 



1. Eocene period. 



Represented by the Tejon group of J. D. Whitney (1869), named 

 from the locality near Port Tejon, Kern County, Cal. ; beds occur es- 

 pecially along the east side of the Coast Range, near Astoria, Oregon. 



c. LACUSTRINE TERTIARY. 



3. Pliocene period. 



2. Blanco group of Cummins and Cope (1892), occurring at Blanco 

 Canon, Crosby County, Tex., and extending northward along the Staked 

 Plains beyond Red River. 



1. Palo Duro beds of Scott; Good-night beds of Cummins ; observed 

 near the Canon of Palo Duro in Texas, and also in northern Kansas. 



2. Miocene period. 



3. Upper Miocene. Loup Pork group of Meek and Hayden. 



2. Lo^lp Fork beds: On Loup Pork of Platte River in central 

 Nebraska, but extending southward interruptedly to Mexico, and 

 occurring in New Mexico on the Rio Grande, Gila, and San Fran- 

 cisco rivers. Pliocene and PlioMppus beds of Marsh. 



