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Keywords from Image Description:
SOLAR GREENHOUSE OWNED AND BUILT BY PETER HOWELL LOCATED AT ABOUT THE LEVEL IN THE FRONT RANGE NARA . Scope and content SOLAR GREENHOUSE OWNED AND BUILT BY PETER HOWELL LOCATED AT ABOUT THE LEVEL IN THE FRONT RANGE USING ARCHES FROM QUONSET HUT THE STRUCTURE WAS COVERED WITH TWO LAYERS OF MIL VINYL WITH DEAD AIR SPACE OF FOUR