464 N. H. DARTON — CATALOG OF PHOTOGRAPHS 



Mining Operations 



132. Sluicing the gold placers on Myrtle creek, Alaska. 



133. Gold-bearing schist, showing cleavage and attitude of rock in bed of Myrtle 



creek, Alaska. 

 149. Anvil Oeek diggings, Nome, Alaska. 



238. Hydraulic mining, Cherokee Flat, Butte county, California. 

 292. Cascade hydraulic gold gravel mine, Plumas county, California. 

 412. Sunshine coal mines, Jerome park, northwestern Colorado. 



497. Old gold diggings on Napias creek, Leesburg, Idaho. 



498. Rocky cut for sluice, California bar, Idaho. 



499. Discharge sluice, California bar, Idaho. 



500. Hydraulic mining, California bar, Idaho. 



646. Open cut at iron mines of the Minnesota Company near Tower, Minnesota. 



647. Sunken ground over the Chandler mine, Ely, Minnesota. 



648. Oliver mine, Virginia, Minnesota. 



649. 650. Working face of the Mountain Iron mine, Minnesota. 

 651, 652. Canton mine, Mesabi range, Minnesota. 



653. A western Missouri coal mine. 



654. Open cut and stopes at Pilot knob, Missouri. 



660. The Parrot and Anaconda mines, Butte, Montana. 



661. The Lexington mine, Butte, Montana. 



815. Interior of Dixon plumbago mine, near Hague, Warren county, New York. 



816. Exterior of Dixon plumbago mines, near Hague, Warren county, New York. 

 857-867. Salt industry, western New York. 



931-933. Cranberry iron works, North Carolina. 

 942. Rose's black sand mine; Eocene shales, Oregon. 

 943-947, 1016-1019. Coal tipples, Pennsylvania. 

 951. Compressed-air locomotive, Old Eagle mine. 



989. Breaker at Hollywood colliery, showing stripping. 



990. Syncline in mammoth bed, Hollywood colliery, Hazelton, Pennsylvania, 



showing open-work mining after stripping. 

 995-997. Old Wheatley lead mine, near Phcenixville, Pennsylvania. 

 998. Head frame, Kaska William colliery, Schuylkill county, Pennsylvania. 

 1010. Creep strise on roofing slate, Bangor, Northampton county, Pennsylvania. 



1012, 1024. Stripping at Hollywood colliery No. 1, Pennsylvania. 



1013, 1025. Workings at Hollywood colliery, No. 1, Pennsylvania. 



1014. Pottsville deep shaft, Pennsylvania. 



1015. Kohinoor colliery culm and rock dump, Pennsylvania. 



1020. Breaker in process of construction, Kohinoor colliery. 



1021. Boring for oil, Chester county, Pennsylvania. 



1023. Culm and rock heaps at Shenandoah, Pennsylvania. 



1117. Open cut in Father de Smet mine, Black hills, South Dakota. 



1118. Old Abe cut, Lead City, Black hills, South Dakota. 



1119. Deadwood gulch, near Dead wood, Black hills, South Dakota. 



1133. Iron mine in "gossan" of a pyrrhotite vein, Isabella mine, Ducktown, Ten- 



nessee. 



1134. The Mary copper mine, in copper-bearing pyrrhotite at Ducktown, Tennessee. 



