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Microscopic Structure and Concentratability of the Important Iron Ores of the United States
Outline of Problem: "This paper covers a survey of 19 ores collected from seven of the more important iron-ore districts of the United States and is a contribution by the ore-dressing section of the United States Bureau of Mines to general research program on iron and steel being conducted by the Bureau."
Date:
1936
Creator:
Cooke, S. R. B.
Object Type:
Report
System:
The UNT Digital Library
Chicago, St. Paul, Minneapolis & Omaha (CMO) 601
A photograph print showing Chicago, St. Paul, Minneapolis & Omaha (C.St.P.M.&O.) 601, 4-6-2, with C&NW tender, Minneapolis, MN.
Date:
July 27, 1936
Creator:
Krambeck, J. Wesley
Object Type:
Photograph
System:
The Gateway to Oklahoma History
Chicago, Milwaukee, St. Paul & Pacific (MILW) 1230
A photograph print showing the Chicago, Milwaukee, St. Paul & Pacific (MILW) 1230, 0-6-0, slope-back tender, Minneapolis, MN.
Date:
May 30, 1936
Creator:
Krambeck, J. Wesley
Object Type:
Photograph
System:
The Gateway to Oklahoma History
Northern Pacific (NP) 654
A photograph print showing the Northern Pacific (NP) 654, 4-4-0, Brainerd, MN.
Date:
July 1, 1936
Creator:
Graves, Ralph L.
Object Type:
Photograph
System:
The Gateway to Oklahoma History
Northern Pacific (NP) 666
A photograph print showing the Northern Pacific (NP) 666, 4-4-0 (BLW Class B), Brainerd, MN.
Date:
August 1936
Creator:
George, Preston
Object Type:
Photograph
System:
The Gateway to Oklahoma History
Northern Pacific (NP) 2257
A photograph print showing the Northern Pacific (NP) 2257, 4-6-2 (class Q-6), on a passenger train, Staples, MN.
Date:
May 4, 1936
Creator:
Schick, Joseph
Object Type:
Photograph
System:
The Gateway to Oklahoma History