KECilSTKR OF PllUTOCiK A FlIS JiKCKIVKD. 449 



884. Lower Cambrian limestone, exposed in (iiiarries at Bellemont, Lancaster 



county, Pennsylvania, on line of Pennsylvania railroad, a little east of 881. 

 The massive limestones of 8S1 are here ca))ped by a band of con,t;lomeratc 

 limestone which rests on the thin bedded limestone shown in the top of 

 quarry. 



885. Banded Lower Cambrian rocks, just southwest of Emiirsville, York county, 



Pennsylvania. 

 880. Synclinal fold in Lower Cambrian limestone. Limestone (juarry of the east 

 side of York, Pennsylvania, within the city limits. 



887. Exi>osure of limestone conijlomerate in Lower Cand)rian limestone, in a (luarry 



on the east side of York, Pennsylvania, within the city limits. 



888. Conglomerate limestone. Quarry cjuarter of a mile north of St(3ners station, 



York and Wrightsville railroad, York county, Pennsylvania. 



889. Portion of massive layer of conglomerate limestone. (Juarry quarter of a mile 



north of Stoners station, York and Wrightsville railroad, York county, 

 Pennsylvania. 

 800. Plane of overthrust fault, north side of river, below Highgate falls, Vermont. 



891. Sununit of an anticlinal fold, four miles west of AVest Arlington, Vermont. 



892. Plicated slates, oin} and a half miles east of Wells post oilice, Rutland county, 



Vermont. 



893. Plane of overthrust fault, north side of river, below Ilighgate falls, Vermont. 



894. Little Rock island, Highgate springs, Vermont. 



895. Exterior view of Dixon plumbago mine, four miles west of Hague, Warren 



county. New York. 



896. Cut in drift about one nule northwest of Gravesville, Herkimer county, New 



York. 



897. City of Quebec ; from point Levis, Canada. 



898. Conglomerate of limestone, (luartz, trap, etcetera, bowlders, situated about 



1,500 feet down in iSillery red shales, five miles below Quebec, Canada, on 

 south shore of Saint Lawrence river. Dr R. W. Ells, of the Geological 

 Survey of Canada, in view. 



899. Illustration of the decay of the upper semicrystalline beds of the Trenton 



limestone at Rusts (juarry, on east bank (jf West Canada creek, above Tren- 

 ton Falls, New York. 



900. "High falls," Trenton Falls, New York. 



901. Distant view of "High falls," at Trenton Falls, New York. 



902. Bowlder iiidx'dded in crystalline Algonkian limestone, one mile north of Fort 



Ann, Wa.<hingt<jn county, New York, on roa<lside to Comstocks. 



903. Large l>owlder in crystalline Algonkian limestone, one mile north of Fort Ann, 



on roadside to Comstocks, Washington county. New York. 



904. Interior of Dixon plumbago mine, four miles west of Hague, Warren county, 



New York. 



Thirty-f )ur (fi x 8) photograi)hs taken in Yellowstone National Park, with one 

 exception, by J. P. Iddings and W. H. Weed. 



905. Yellowstone lake, showing Ab.siiroka range. 

 IK)«). Pig Horn park, Gallatin range. 



y07. Diked near Hoodoo m juntiiin. 



