Contributions to Chemistry and Mineralogy from the Laboratory of the United States Geological Survey

LETTER OF TRANSMITTAL.

DEPARTMENT OF THE INTERIOR,

UNITED STATES GEOLOGICAL SURVEY.

Washington, D. C., November 4, 1899.

SIR: I submit herewith a manuscript entitled Contributions to Chemistry and Mineralogy from the Laboratory of the United States Geological Survey. I have the honor to request that it be published as a bulletin of the Survey.

Very respectfully,

Hon. CHARLES D. WALCOTT,

F. W. CLARKE,

Chief Chemist.

Director United States Geological Survey.

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Contributions to Chemistry and Mineralogy from the Laboratory of the United ...