Rhyolite

Photograph showing mountain. Plate 85 from: Geological Exploration of the Fortieth Parallel / United States Army Corps of Engineers; Clarence King, geologist in charge. [Washington, D.C.; 187-?]. Published in: More

H92372 U.S. Copyright Office Copyright deposit; California Panorama Co.; May 9, 1907; DLC/PP-1907:43229. Copyright claimant's address: Los Angeles.

H104715 U.S. Copyright Office Copyright deposit; California Panorama Co.; January 2, 1908. Copyright claimant's address: Los Angeles. Distributor's address: San Francisco.

Public domain photograph of American farm workers, countryside in the 1930s, free to use, no copyright restrictions image - Picryl description

Additional number written on original negative jacket. Title and other information from caption card. Transfer; United States. Office of War Information. Overseas Picture Division. Washington Division; 1944. Mo More

Additional number written on original negative jacket. Title and other information from caption card. Transfer; United States. Office of War Information. Overseas Picture Division. Washington Division; 1944. Mo More

Public domain photograph of life in the United States in the 1930s, free to use, no copyright restrictions image - Picryl description

Additional number written on original negative jacket. Title and other information from caption card. Transfer; United States. Office of War Information. Overseas Picture Division. Washington Division; 1944. Mo More

Additional number written on original negative jacket. Title and other information from caption card. Transfer; United States. Office of War Information. Overseas Picture Division. Washington Division; 1944. Mo More

Picryl description: Public domain image related to death, coffin, grave, funeral, burial, monument, cemetery, free to use, no copyright restrictions.

Picryl description: Public domain image related to death, coffin, grave, funeral, burial, monument, cemetery, free to use, no copyright restrictions.

Public domain photo of a monument, historic place, free to use, no copyright restrictions image - Picryl description

Public domain photograph of 1930s America, free to use, no copyright restrictions image - Picryl description

Public domain photograph of life in the United States in the 1930s, free to use, no copyright restrictions image - Picryl description

Public domain photograph of life in the United States in the 1930s, free to use, no copyright restrictions image - Picryl description

Additional number written on original negative jacket. Title and other information from caption card. Transfer; United States. Office of War Information. Overseas Picture Division. Washington Division; 1944. Mo More

Additional number written on original negative jacket. Title and other information from caption card. Transfer; United States. Office of War Information. Overseas Picture Division. Washington Division; 1944. Mo More

Additional number written on original negative jacket. Title and other information from caption card. Transfer; United States. Office of War Information. Overseas Picture Division. Washington Division; 1944. Mo More

Additional number written on original negative jacket. Title and other information from caption card. Transfer; United States. Office of War Information. Overseas Picture Division. Washington Division; 1944. Mo More

Picryl description: Public domain image of an old ancient city, historic place, stone building architecture, free to use, no copyright restrictions.

Picryl description: Public domain image related to death, coffin, grave, funeral, burial, monument, cemetery, free to use, no copyright restrictions.

Additional number written on original negative jacket. Title and other information from caption card. Transfer; United States. Office of War Information. Overseas Picture Division. Washington Division; 1944. Mo More

Additional number written on original negative jacket. Title and other information from caption card. Transfer; United States. Office of War Information. Overseas Picture Division. Washington Division; 1944. Mo More

Public domain photograph of 1930s America, free to use, no copyright restrictions image - Picryl description

Public domain photograph of life in the United States in the 1930s, free to use, no copyright restrictions image - Picryl description

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More

Significance: Associated with the strikes that set off one of the last major gold mining booms in the Southwest. These strikes had a major impact upon the regional settlement patterns and economic activities o More