UNCLE SAM IN THE MOVIES 



537 



Moving Picture of a Round-Up 



the operator posted to photograph the round-up of 1,000 nevada steers on a piece of land irrigated 



by one of the reclamation service projects. 



views showing caterpillar drag line 

 excavators and scoop wheels lifting 

 water, all electrically operated. 



On the Boise project, a number of 

 exposures were made from the top of 

 Arrowrock Dam, which is to be the 

 highest in the world. Perched on a 

 narrow platform 300 feet above the 

 river, the camera was set to show the 

 entire process of placing concrete. An 



entirely new and exceedingly unique 

 method is employed, the whole present- 

 ing an especially fine subject for a 

 picture. From a large mixing plant on 

 the side of the canyon, two huge buckets 

 were in operation, loading concrete 

 and then swinging on the cableways to 

 receiving buckets on top of the dam. 

 The receiving buckets, suspended from 

 the cableways, took their loads and 



