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Mr. Lamont Young, government geologist, disappeared in Australia, 1881. Creator: Unknown.
HRM25A42_334

Mr. Lamont Young, government geologist, disappeare...

Deadwood Central RR Engineer Corps, 1888. Creator: John C. H. Grabill.
HRM24A02_313

Deadwood Central RR Engineer Corps, 1888. Creator:...

Engineers Corps camp and visitors, 1889. Creator: John C. H. Grabill.
HRM24A02_324

Engineers Corps camp and visitors, 1889. Creator: ...

Deadwood, [SD] from Engleside, 1888. Creator: John C. H. Grabill.
HRM24A02_310

Deadwood, [SD] from Engleside, 1888. Creator: John...

Day 322, Survey U, Sectors 15 and 16, 1967.
HRM20A80_018

Day 322, Survey U, Sectors 15 and 16, 1967.