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Solar greenhouse owned and built by Peter Howell, located at about the 8,500 foot level in the front range..., 05/1975. | by The U.S. National Archives
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Solar greenhouse owned and built by Peter Howell, located at about the 8,500 foot level in the front range..., 05/1975.

Original Caption: Solar greenhouse owned and built by Peter Howell, located at about the 8,500 foot level in the front range. Using arches from a quonset hut lathe structure was covered with two layers of 10 mil vinyl with a dead air space of four inches. Blackened 55-gallon oil drums filled with water absorb heat during the day and lose it at night to prevent drastic temperature changes. Crops such as lettuce and peas were grown all winter. In may with a foot of snow and a temperature of 35 degrees, it was 80 degrees inside, 05/1975.

  

U.S. National Archives’ Local Identifier: 412-DA-14873

  

Photographer: Norton, Boyd

 

Subjects:

Environmental protection

Natural resources

Pollution

Denver (Colorado, United States) inhabited place

 

Persistent URL: research.archives.gov/description/557325

 

Repository: Still Picture Records Section, Special Media Archives Services Division (NWCS-S), National Archives at College Park, 8601 Adelphi Road, College Park, MD, 20740-6001.

 

For information about ordering reproductions of photographs held by the Still Picture Unit, visit: www.archives.gov/research/order/still-pictures.html

 

Reproductions may be ordered via an independent vendor. NARA maintains a list of vendors at www.archives.gov/research/order/vendors-photos-maps-dc.html

 

Access Restrictions: Unrestricted

Use Restrictions: Unrestricted

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Taken in May 1975