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OF THE
UNITED STATES GEOLOGICAL SURVEY
OF
ΜΟΝΤΑΝΑ
AND
PORTIONS OF ADJACENT TERRITORIES;
BEING A
FIFTH ANNUAL REPORT OF PROGRESS.
BY
F. V. HAYDEN,
UNITED STATES GEOLOGIST.
CONDUCTED UNDER AUTHORITY OF THE SECRETARY OF THE INTERIOR.
WASHINGTON:
GOVERNMENT PRINTING OFFICE.
1872.