She and her sister, Josie Bassett, were considered female outlaws and girlfriends to several of Cassidy's Wild Bunch gang.

According to Robert Redford, The earliest-known reference to Brown's Park was made in 1650 in the writings of Father Ortiz, a Spanish missionary.

By the 1860s it had acquired a reputation as haven for cattle rustlers, horse thieves, and outlaws, alongside Hole-in-the-Wall, Wyoming and Robbers Roost in Utah.

In 1965 the valley became part of the Browns Park National Wildlife Refuge, designated as a habitat for migratory waterfowl.

The refuge contains the remains of several historic sites, including "Two Bar Ranch" headquarters; Fort Davy Crockett; Lodore Hall (which still serves as a community center); and several old abandoned cabins and homesteader settlements.