U.C.D. LIBRARY

Area geologically surveyed in the United States during the year..

38

39

Work of the year-Continued.

Topographic branch-Continued.

Northwestern division...

Pacific division...

Section of field equipment....

Inspection of topographic surveying and mapping..

Millionth-scale map of the United States....

Water-resources branch........

Organization and scope of work.

Personnel....

Allotments.

Cooperation.

Publications..

General summary.

Division of surface waters..

Organization......

Character and methods of work.

Publications......

Division of ground waters..

Scope of work...

Work by States....

Division of water utilization..

Land-classification board..

Organization..

Funds.....

General features of the work.

Summary...

New legislation..

Correspondence..

Publications..

Cooperation with the General Land Office...

Mineral classification...

Coal.....

Oil..

Phosphate...

Potash..

Metalliferous lands..

Hydrographic classification..

Water power.....

Irrigation..........

Enlarged homesteads..

Public water reserves.

Publication branch......

Division of book publication

Section of texts.....

Section of illustrations..

Section of distribution.

Division of map editing..

Section of geologic maps...

Section of topographic maps..

Division of engraving and printing.

Maps and folios......

Contract engraving and printing..

Photographic laboratory....

ATE I. Map of the United States showing areas covered by geologic maps

published prior to July 1, 1915.....

38

II. Map of the United States showing areas covered by topographic sur-

veys prior to July 1, 1915....

108