Yazar
Ray Lyman Wilbur
17 cilt bulundu.
Cilt sonuçları
The Hoover Dam Documents
United States Department of the Interior · Yayınevi bilinmiyor
694 sayfa · 1948
Hoover Dam (Ariz. and Nev.)
Conservation in the Department of the Interior
United States. Department of the Interior, Ray Lyman Wilbur, William Atherton DuPuy · Yayınevi bilinmiyor
272 sayfa · 1932
Nature
The Construction of Hoover Dam
United States. Department of the Interior, Ray Lyman Wilbur, Elwood Mead · Yayınevi bilinmiyor
120 sayfa · 1933
Hoover Dam (Ariz. and Nev.)
Memorandum Including Resolutions by the Nevada Colorado River Development Commission and Letters to Secretary Wilbur in Connection with His Recent Announcement on the Division of Boulder Dam Power
Colorado River Commission of Nevada, George Wilson Malone, Ray Lyman Wilbur · Yayınevi bilinmiyor
14 sayfa · 1930
Hoover Dam (Ariz. and Nev.)
