Cities of the Mountains and Pacific States, 1901
Mountains and Pacific cities of the western United States. ...

Rail Routes Competing with Future Isthmian Canal, 1906
Rail routes competing with future isthmian canal in 1906....

Western States, 1909
The western United States. ...

The Western United States, 1910
The western United States....

Relief of the Western States, 1910
A relief of the Western United States. ...

The Western States, 1910
The western states....

Irrigation in the United States, 1910
irrigation in the United States in 1910....

Climactic and Life Provinces, 1911
The climatic and life provinces of western North America....

Irrigation of the West, 1911
Irrigration in the West. Irrigated areas solid black, irrigable areas dotted....

Lava Fields of the Northwest, 1911
The lava fields of the Northwest. ...