While trailing Forest Ranger Charles Carter, who is suspected of permitting lumber man Henry Mitchell to cut restricted timber, Gene fires at a dangerous mountain lion and apparently kills Carter. Actually, Bill Wright, Mitchell's associate, killed Carter because the ranger had discovered tussock moth infestation in the forest, and if the infestation was not reported, the trees would die and have to be cut, thereby profiting Mitchell and Wright. In order to compensate the best he can, Gene sells his sportsman's camp and gives the money to Carter's daughter Helen . En route to Texas, Gene discovers the infestation and is assigned by the Forest Department to supervise the program of spraying the area with DDT from the air. After the first day of spraying, the DDT is blamed by furious stock men for the many animals found dead of poisoning.
Set in 1869, after the Civil War, Texas had not yet been readmitted to the Union and carpetbaggers, hiding behind the legal protection of the Union Army of occupation, had taken over the state. Federal Captain Porter, a Texan, has to carry out orders against his own people. He brings in the rebel leader Ben Westman whom he knows is innocent of a murder that he is accused of. In trying to prove his innocence, Porter himself becomes a wanted man.
Though he fought for the North in the Civil War, John is asked by the Governor of Texas to get rid of some troublesome carpetbaggers. He enlists the help of Holden before learning that Holden too is plundering the local folk.
A rancher, his shady bride and his one-armed brother fight amid carpetbaggers in Texas.
Jonas Cord is a disagreeable young tycoon who's building planes, directing films, and catting around on the corporate make in 1930s Hollywood.
In 1971, five college buddies from the University of Texas embark on a final road trip odyssey across the Mexican border before facing up to uncertain futures, in Vietnam and otherwise.
As Abraham Lincoln labors over the Gettysburg address, the importance of which he is fully aware, he learns that a menace from his past has returned, threatening to tear the already fractured nation to pieces. He must journey behind enemy lines to face an foe far more fearsome than the Confederate army: the walking dead.
Three West Point 1861 generation cadets and friends go on opposite sides after the breakout of The Civil War, with tragic consequences. A subplot involves Lucius, a Shelby Peyton's slave, who kills a slave trader and goes on the run.
When Pegleg and his Black Raiders threaten the westward expansion of the United States, the government sends Kit Carson and David Brent to straighten things out.
An aging group of outlaws look for one last big score as the "traditional" American West is disappearing around them.
Wounded Civil War soldier John Dunbar tries to commit suicide—and becomes a hero instead. As a reward, he's assigned to his dream post, a remote junction on the Western frontier, and soon makes unlikely friends with the local Sioux tribe.
As the west rapidly becomes civilized, a pair of outlaws in 1890s Wyoming find themselves pursued by a posse and decide to flee to South America in hopes of evading the law.
While in Europe, Chaddie Green, a society girl, discovers that she has been left penniless. She returns to the United States and meets Duncan MacKail, who is equally broke though he owns grainland in the West. Duncan and Chaddie are married and go west to homestead. Duncan hires Ollie, a Swedish caretaker, who frightens Chaddie. When business takes Duncan away, Chaddie goes to take care of Percy Woodhouse, an Englishman who has become ill at his place fifteen miles away. Her horse runs away, and she is forced to spend the night there. She sleeps under a wagon, but Duncan is nevertheless angry and jealous.
In 1865, Captain Mark Smith of the Confederate Army leads a band of deserters to conquer Texas and rule it as a dictator. In one of his first actions, he captures and assumes the identity of Texas' new Finance Commissioner, Colonel Marcus Jeffries, after having the real man murdered. When a contingent of Texas Rangers enters the territory, Snead, one of Smith's men, leads them into an ambush by Smith's "troopers". The Rangers are apparently wiped out, although one injured survivor is left. The survivor, nursed back to health by Tonto, swears to avenge the massacre and defeat "Colonel Jeffries" and his men.
Tom Grant has found a rich gold vein and Bart Eaton is after it. Tom's sister Mary heads for the gold fields and Eaton and his men follow. Eaton teams up with Ace Daggett who plans to doublecross him and get the gold for himself. They frame Tom for murder and then try to get him to sign over his claim. The famous scout Tex Houston is on hand, escaping the attempts on his life, saving Mary from various perils, and trying to bring in the real killer and clear Tom.
Hobo poet Sundown Slim meets his old friend Billy Corliss in a Western saloon. Billy, in poor health as a result of injuries sustained in a train wreck, now owns the Concho cattle ranch with his brother Jack who runs the ranch. Sundown obtains a job at the Concho and becomes embroiled in the Corliss' battle with their sheeprancher neighbors, the Fernandos. When Loring, one of Jack's employees, attacks Fernando's daughter Anita, Jack fires him but Fernando, not satisfied, vows revenge on Jack, then shoots Billy by mistake.
Fred Watson, ravaged by consumption, travels to the lonely country known as Dead Man's Gulch in hopes of regaining his health. Accompanying Fred is his family, comprised of Kate, his son Bobbie and dog Mickey. Coming upon two shacks, they meet Bill Dorgan, a rough-bearded hermit who, after leering at Kate, invites the family to occupy the deserted cabin owned by Bill Mason, imprisoned for the murder of his partner. Meanwhile, his innocence established, Mason is pardoned from jail and returns to his cabin, bitter against the world. Gradually he is softened by Kate's charms and confides to her that he is searching for the gold that he and his partner had hidden years before, but is hampered by a missing section of the treasure map which disappeared the night of his partner's death.
When an Indian chief is murdered in a hateful town, a sympathizing ex marshal tries to stop the Indians from attacking for revenge.
It's "The Three Mesquiteers" again. Gaucho escapes from Braden's gang only to be shot by them. The Mesquiteers drive away the outlaws and take his money on to his mother. But Isabella thinks Tucson is her long lost son and they don't have the heart to tell her he is dead.
The Cherokee Strip is off limits to the Rangers, so that is where badman Lemar operates from. When the Rangers capture his brother and the jury sentences him to hang, Lemar starts killing the jurists. Then the scoundrels kidnap the Captain's daughter Doris... Written by Tony Fontana