other, under charge of Mr. S.F. Emmons, with headquarters at Denver,
Colorado, is engaged in studying various mining districts in that State,
including silver, gold, iron, and coal areas. Each division has a corps of
assistants. The lignite coals of the upper Missouri, also, are under
investigation by Mr. Bailey Willis, with a corps of assistants.


EMPLOYES.

The employes on the Geological Survey at the close of September, 1884,
were as follows:

Appointed by the President, by and with the advice and consent of the
Senate (Director), 1.

Appointed by the Secretary of the Interior, on the recommendation of the
Director of the Survey, 134.

Employed by the chiefs of parties in the field, 148.


APPOINTMENTS.

Three classes of appointments are made on the Survey. The statute provides
that "the scientific employes of the Geological Survey shall be selected
by the Director, subject to the approval of the Secretary of the Interior,
exclusively for their qualifications as professional experts." The
provisions of this statute apply to all those cases where scientific men
are employed who have established a reputation, and in asking for their
appointment the Director specifically states his reasons, setting forth