Uragano di piombo

While trying to find the four wealthy men kidnapped by the Nez Percès in the Yellowstone Park, Tex and his pards save Harry Yount, the park ranger, from the killers hired by “Moon Valley Fur Company”...  The hunt to the Natives can wait, while – to “clean up” the territory – Tex decides to attack the fort of the Fur Company from the river, unleashing a true lead deluge!