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Highways of Progress. J. J. Hill.

Navigation Resources of the United States. (Johnson.) Report, Governor's Conference.

Conservation of Power Resources. (H. St. Clair Putnam.) Report, Governor's Conference.

Florida's Waterways. (Miles.) Report, Governor's Conference.

Our Water Resources. (Lyman Cooley.) Report, Governor's Conference.

The Lakes-to-Gulf Waterway. (Randolph.) Report, Governor's Conference.

Water Resources. (Kummel.) Report, Governor's Conference.

Necessity for Waterway Improvement. (Austin.) Report, Governor's Conference.

Report Congressional Committee on European Waterways. Senate Document, 1910.