The Silver Queen — Jane Candia Coleman

RAGS TO RICHES
Augusta Tabor may have been the first woman in the Colorado silver-mining camps, but she never dreamed of making the big strike. She labored hard to support her family, while her husband went out prospecting for months at a time and gave away their store credit to just about anyone who asked. And then one of his schemes finally worked out. Suddenly they were the richest folk in Colorado Territory and Haw Tabor was elected lieutenant governor. But untold wealth and power led them to a scandal that shocked the country--a scandal that would push Augusta's strength to its limits....