LETTER OF TRANSMITTAL. 
Department of the Interior, 
United States Geological Survey, 
Washington, D. C, June 18, 1901. 
Sir: We have the honor to transmit herewith, in form for publica- 
tion, the results of the spirit leveling executed by the United States 
Geological Survey during the fiscal year 1900-1901. 
These results were arranged for publication by Mr. D. H. Baldwin, 
assistant topographer. 
Very respectfully, H. M. Wilson, 
Geographer in charge of Atlantic Section. 
J. H. Renshawe, 
Geographer in charge of Central Section. 
• E. M. Douglas, 
Geographer in charge of Rocky Mountain Section. 
R. U. Goode, 
Geographer in charge of Pacific Section. 
Hon. Charles D. AValcott, 
Director of United States Geological Survey. 
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