The non-certificated pilot said he was herding cattle at a low altitude when he entered a steep bank, stalled and crashed. The wings and fuselage of the airplane were substantially damaged and there was a post-crash fire. The pilot received medical treatment for second degree burns to 10 percent of his body. The surface winds were 110 degrees at 4 knots, visibility 10 statute miles in clear skies with a temperature of 57 degrees.