Forest Sprague, President of Pacifica Adobe and manufacturer of hydraulic earth press, discusses the advantages of adobe blocks for construction of houses. Includes quotations from Adobe Journal, issue 5, about structures in Africa and Asia.|THE VIRTUES OF ADOBE : A CONVERSATION WITH FOREST SPRAGUE / interviewed by Barbara Dunlap. - SERIES: New signals - Forest Sprague, President of Pacifica Adobe and manufacturer of hydraulic earth press, discusses the advantages of adobe blocks for construction of houses. Includes quotations from Adobe Journal, issue 5, about structures in Africa and Asia. - BROADCAST: KPFK, 18 Feb. 1992.
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