Bob Reynolds, a construction engineer, is constructing a dam. Finding himself in financial trouble, he is persuaded by John Brand to use a cheaper--but far inferior--cement to replace the cement he's been using. Brand, who is determined to ruin Reynolds, then talks him into buying worthless stock. Finding himself in desperate straits, Reynolds forges a check using Brand's name. Unfortunately the finished dam breaks and many people are killed. Under suspicion by the authorities, Reynolds desperate searches for a way out of his worsening situation.
A seductive woman forsakes her husband and lover to pursue a young engineer.
Dirt-poor mountain girl Trigger Hicks is a loner. Her faith-healing is mistaken for witchcraft by the community. She falls for an engineer building a dam, who protects her.
Naive and idealistic Jefferson Smith, leader of the Boy Rangers, is appointed to the United States Senate by the puppet governor of his state. He soon discovers, upon going to Washington, many shortcomings of the political process as his earnest goal of a national boys' camp leads to a conflict with the state political boss.
To bring water to their valley, ranchers have raised money to build a dam. When that money is stolen, Allison suggests the ranchers sell their stock to a friend of his thereby getting the money needed to complete the dam. Roy has a clue that Allison was involved in the robbery and is out to get control of the valley. So Roy and the boys try to delay the sale of the stock while they look for proof against Allison.
It's the ranchers whose cattle are dying of thirst versus Henry Dodge whose dam holds all the water. When windmills are built and they start pumping water, Dodge has them blown up. When a court order forces him to release the water, he decides to blow up the dam and flood the valley.
Grave robbers open the grave of the wolf man and awaken him. He doesn't like the idea of being immortal and killing people when the moon is full so tries to find Dr. Frankenstein, in the hopes that the doctor can cure him. Dr. Frankenstein has died; however, his monster is found.
Hoppy, California and Johnny partner up with brother and sister ranch owners, two of several who are having their access to water blocked by a dam owned by a greedy merchant in town, who is intent on driving them out and taking their land for himself.
Dan Stanton and Condon are foreclosing on a group of ranchers in order to gain a land-monopoly. They have one of the ranchers, whose property supplies the others with water, killed. Ann Jennings, niece of the rancher, sends for U. S. Marshals Nevada Jack McKenzie and Sandy Hopkins, who organize the ranchers who take over the dead man's property and blast the dam releasing needed water to all the ranchers. Nevada and Sandy, aided by the sheriff, round up Stanton, Condon and their gang members.
Red Ryder convinces homesteaders to settle in Paradise Valley. Business men in nearby Central City want control of the valley and water supply and propose to build a dam for half interest in the land. They use Red to generate interest in the dam but when the dam is completed, they rig the stockholder's meeting so Central City will get the water.
A prospector discovers natural cement and suggests it should be used for a new dam. But this is the last thing the badmen of Trail End want, as they have a monopoly of the wagons needed to haul rocks to the site. A pretty sheriff notwithstanding, it's a job for a singing marshal.
Bad weather, farmers who do not allow the dumping of their estate, and people who are willing to sabotage for ideological reasons, disrupt the building of hydro-power on the Neretva river. Upon completion of construction, the benefits of electricity assures people of the necessity of progress.
Barney gets involved in Good Neighbor Week by helping out the local beaver - help the beaver could do without.
The story of the conception of a new British weapon for smashing the German dams in the Ruhr industrial complex and the execution of the raid by 617 Squadron 'The Dam Busters'.
Given only six months to live, Englishman Bruce Campbell goes to Canada to claim "Campbell's Kingdom", the land he inherited from his grandfather. In order to clear his grandfather's name and prove there is oil on the land, Campbell must face up to a ruthless contractor and work against the clock to find oil before "Campbell's Kingdom" is flooded by a new power dam.
Rocks from a meteor which grow when in contact with water threaten a sleepy Southwestern desert community.
The great appeal of this film is watching the beaver at work, busily and cheerfully demonstrating the characteristics for which it is famous. Sometimes, however, the beaver's industry runs counter to the plans of people. When the beaver's dam floods their father's hayfield, two boys devise a plan to save the beaver from their father's displeasure.
A young bureaucrat for the Tennessee Valley Authority goes to rural Tennessee to oversee the building of a dam. He encounters opposition from the local people, in particular a farmer who objects to his employment (with pay) of local black laborers. Much of the plot revolves around the eviction of a stubborn octogenarian from her home on an island in the river, and the young man's love affair with that woman's widowed granddaughter.