Letter from the Director of the United States Geological Survey transmitting, in response to a letter of the Hon. Henry G. Davis, answers to certain inquiries propounded in the said letter
|Format:||Electronic Resource 1880|
|Availability:||Access Online Always Available|
|Publisher|| Washington :[publisher not identified],1880
|Other Titles|| ProQuest U.S. Serial Set Digital Collection.
Letter from director of Geological Survey of United States on duties of Geological Survey
Record is based on bibliographic data in ProQuest U.S. Serial Set Digital Collection (last viewed Jan. 2007).
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