Publisher
Government Printing Office
125
Hitorical Division Department Of The Army
1
James J. Chapman
1
N.A
1
National Observatory
3
Robert Armstrong
1
Smithsonian Institution
2
U. S. Government Printing Office
1
US geogological survey
4
Washington US Geogological Survey 1914
1
Washington US Geographical Survey 1904
1
Washington US Geological Survey
1
Washington US Geological Survey 1897
11
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