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Car-free sunday in Milan.
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Car-free sunday in Milan.

Close up a solar heating panel in a modular house built near Corrales, New Mexico..., 04 1974
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Close up a solar heating panel in a modular house ...

Interior detail of 55-gallon water filled drums that form the core of the passive solar heating system of this home near Corrales, New Mexico... 04 1974
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Interior detail of 55-gallon water filled drums th...

Modular solar-heated house built near Corrales, New Mexico... 04 1974
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Modular solar-heated house built near Corrales, Ne...

John Keyes, president of International Solarthermics Corporation, shown with the backyard solar heating system he developed... 05 1975
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John Keyes, president of International Solarthermi...

Dr. R. L. San Martin, New Mexico State University, Las Cruces shows an experimental solar panel being tested..., 04 1974
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Dr. R. L. San Martin, New Mexico State University,...

Dr. R.L. San Martin, New Mexico State University, Las Cruces shows a closed coil type solar heating panel
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Dr. R.L. San Martin, New Mexico State University, ...

Den of a modular solar-heated house built near Corrales New Mexico..., 04 1974
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Den of a modular solar-heated house built near Cor...

Exterior picture of the south facing walls of a modular solar-heated home near Corrales, New Mexico... 04 1974
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Exterior picture of the south facing walls of a mo...

Flat plate solar heating collectors built by the Solaron Corporation, and installed on the roof of the Gump Glass Company... 05 1975
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Flat plate solar heating collectors built by the S...

USDA visit to Cooper Vineyards in Louisia
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USDA visit to Cooper Vineyards in Louisia

USDA visit to Cooper Vineyards in Louisia
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USDA visit to Cooper Vineyards in Louisia

Energy crisis of 1973
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Energy crisis of 1973

SSGT 'Dixie' Bennett
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SSGT 'Dixie' Bennett

Downtown Portland Oregon Skyline (unlit) in 1973 (1970s Portland Skyline)
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Downtown Portland Oregon Skyline (unlit) in 1973 (...

Coin Operated Battery Cab 1950
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Coin Operated Battery Cab 1950