Adrian - yes, an entire issue of MATERIAL CULTURE (Vol. 24, No. 1, Spring 1992) was devoted to Windmills and Domestic Tankhouses. Articles include: -Windmills in American Agriculture, by Allen G. Noble -The Domestic Tankhouse as Vernacular Architecture in Rural California, by Leon S. Pitman -Tankhouses on the High Plains of Western Kansas and Easatern Colorado, by Robert B. Kent -Tankhouse in Nebraska: Distribution, Construction Styles and Use, by Aaron S. Boucher and Robert B. Kent -Running Water in Paradise: The adoption and Diffusion of Domestic Tankhouses in Southern Oregon's Rogue Valley, by Katie Thorsheim -Historic Context for the Presence and Absence of Tankhouse in Ohio, by Glen A. Harper. Also there is: A Field Guide to American Windmills, by Lindsay T. Baker. University of Oklahoma Press, 1985. Evolution of the American Windmill: A Study in Diffusion and Modification, by Terry G. Jordan, in "Pioneer America" 5(2):3-12. Windmills in Texas, by Terry G. Jordan, in "Agricultural History" 37:80-85. The Windmill in California, by Roger S. Manning, in "Journal of the West" 14:33-39. Windmills and Tankhouses in California, by Roger S. Manning, Master of Arts Thesis, University of California, Davis. >>>>>>>>>>>>>>> Mike Polk Sagebrush Archaeological Consultants Ogden, Utah