Born-Digital or AnalogAnalogTranscriptSolar heating. Colorado Hal Mansfield one of the founders of San Juan Solar Energy Association, has solar heated home in Durango. RMN Home Living Jy 2, 1977 p.2B, 6B,8B,18B,19B Post Empire Jy 24, 1977 p.12-17 Littleton Housing Authority receives federal grant for demonstration program of home solar heating. Post 3 5, 1977 p.2CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Solar heating. Colorado, [573944]. Denver Public Library Digital Collections, accessed 08/03/2026, https://digital.denverlibrary.org/nodes/view/1748586
