CHAPTER XX. PAWNEE ROCK. Pawnee Rock--A Debatable Region of the Indian Tribes--The most Dangerous Point on the Central Plains in the Days of the Early Santa Fe Trade--Received its Name in a Baptism of Blood-- Battle-ground of the Pawnees and Cheyennes--Old Graves on the Summit of the Rock--Kit Carson's First Fight at the Rock with the Pawnees--Kills his Mule by Mistake--Colonel St. Vrain's Brilliant Charge--Defeat of the Savages--The Trappers' Terrible Battle with the Pawnees--The Massacre at Cow Creek. CHAPTER XXI. FOOLING STAGE ROBBERS. Wagon Mound--John L. Hatcher's Thrilling Adventure with Old Wolf, the War-chief of the Comanches--Incidents on the Trail--A Boy Bugler's Happy Escape from the Savages at Fort Union--A Drunken Stage-driver--How an Officer of the Quartermaster's Department at Washington succeeded in starting the Military Freight Caravans a Month Earlier than the Usual Time--How John Chisholm fooled the Stage-robbers--The Story of Half a Plug of Tobacco. CHAPTER XXII. A DESPERATE RIDE. Solitary Graves along the Line of the Old Santa Fe Trail--The Walnut Crossing--Fort Zarah--The Graves on Hon. D. Heizer's Ranch on the Walnut--Troops stationed at the Crossing of the Walnut-- A Terrible Five Miles--The Cavalry Recruit's Last Ride. CHAPTER XXIII. HANCOCK'S EXPEDITION. General Hancock's Expedition against the Plains Indians--Terrible Snow-storm at Fort Larned--Meeting with the Chiefs of the Dog-Soldiers--Bull Bear's Diplomacy--Meeting of the United States Troops and the Savages in Line of Battle--Custer's Night Experience-- The Surgeon and Dog Stew--Destruction of the Village by Fire-- General Sully's Fight with the Kiowas, Comanches, and Arapahoes-- Finding the Skeletons of the Unfortunate Men--The Savages' Report of the Affair. CHAPTER XXIV. INVASION OF THE RAILROAD. Scenery on the Line of the Old Santa Fe Trail--The Great Plains-- The Arkansas Valley--Over the Rocky Mountains into New Mexico-- The Raton Range--The Spanish Peaks--Simpson's Rest--Fisher's Peak --Raton Peak--Snowy Range--Pike's Peak--Raton Creek--The Invasion of the Railroad--The Old Santa Fe Trail a Thing of the Past. FOOTNOTES. PUBLICATION INFORMATION. INTRODUCTION.