WHEATLAND, Wyo. — The man who came to Elsie Bacon’s ranch house door in July asked the 71-year-old widow to grant access to a right of way across the dry hills and short grasses of her land here. Ms. Bacon remembered his insistence on a quick, secret deal. The man, a representative of the Little Rose Wind Farm of Boulder, Colo., sought an easement for a transmission line to carry his company’s wind-generated electricity to market. His offer: a fraction of the value of similar deals in the area. As Ms. Bacon, 71, recalled it: ‘He said, ‘You sure I can’t write you out a check?’ He was really pushy. A quiet land rush is under way among the buttes of southeastern Wyoming, and it is changing the local rancher culture. The whipping winds cursed by descendants of the original homesteaders now have real value for out-of-state developers who dream of wind farms or of selling the rights to bigger companies. But as developers descend upon the area, drawing comparisons to the oil patch ‘land men in the movie ‘There Will Be Blood, the ranchers of Albany, Converse and Platte Counties are rewriting the old script. […]