From the back cover:
Range War! simulates the Old West conflict between cattle ranchers and sheepherders, rivals for grassland and water. This module for BOOT HILL Wild West Game includes:
12 action provoking scenarios
6 pregenerated player characters.
Over 200 nonplayer characters.
A city map of Promise Cit, Oregon using the BOOT HILL Street Map repeatedly.
Detailed building, ranch, settlement and farm descriptions.
Background material for starting your own BOOT HILL campaign.