The Barn at the Hubbell Trading Post. Trade with men like Hubbell became increasingly important for the Navajos. The trader was in contact with the world outside the newly created reservation; a world which could supply the staples the Navajos needed to supplement their homegrown products. In exchange for the trader's goods the Navajos traded wool, sheep and, later, rugs, jewelry, baskets and pottery. It was years before cash was used between trader and Navajos.