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  1. Guyana
  2. South America
  3. 1812

WHAT

  1. Atlas Map (1)
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  4. Geology (1)
  5. Mining (1)

WHERE

  1. Colorado (1)

WHO

  1. Chapman, R.H. (1)
  2. Douglas, E.M. (1)
  3. Douglas, F.M. (1)
  4. Emmons, S.F. (1)
  5. Gorse, W.B. (1)
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WHEN

  1. 1898 (1)
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Browse All : Images of Guyana and South America from 1812

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Lenado Special Sheet.  
Lenado Special Sheet. Geology Sheet XX ....
Lenado Special Sheet.
1898
Geologic Atlas
Author
Spurr, Josiah Edward
Full Title
Lenado Special Sheet. Geology Sheet XX . U. S. Geological Survey, Charles D. Walcott, Director. Monograph XXXI. A.H. Thompson, Geographer. F.M Douglas, Topographer in charge. Triangulation by E.M. Douglas. Topography by W.B. Gorse and R.H. Chapman. Surveyed in 1893. S.F. Emmons, Geologist in Charge. Geology by J.E. Spurr. Assistant, G.W. Tower. Julius Bien & Co. Lith. N.Y. (1898)
Publisher
United States Geological Survey
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