260 THE SOIL CONSERVATION SERVICE 



The last two are used chiefly in the West. Also many types of grasses, 

 herbaceous plants, and shrubs serve for this purpose. 



In the Wisconsin project, for example, some of the steep timbered 

 areas, now eroding because of excessive grazing, will be taken out of 

 use and given complete protection in order to stop the excessive runoff 

 of rainwater, which has been speeding down across the cultivated 

 slopes, ripping them to pieces or planing off the more fertile topsoil. 

 Pastures will be established on certain areas too erosive for field 

 crops, that furnish feed for quail and ruffed grouse. Eventually, 

 sportsmen are expected to come from Milwaukee, St. Paul, Chicago, 



FIG. 130. Construction of erosion control dams by the use of rocks, timbers and 

 brush near the summit of Trout Creek Pass, Cochetopa National Forest, Colo- 

 rado. Havoc wrought by cloudbursts is being repaired and further damage 



prevented. 



and other places to pay the farmer for the privilege of hunting in his 

 timbered lands that will be restocked with game. Below the forested 

 land, those steep slopes now washing rapidly to a condition of low 

 productivity will be taken out of clean-tilled crops and put into per- 

 manent pasture to furnish the grazing that formerly was supposed 

 to have been provided by the timbered areas. 



The general method employed by the Soil Conservation Service in 

 checking erosion is to put the slopes too steep or otherwise unfit for 

 practical farming into trees and the lower slopes into leguminous 

 plants, grasses, and other types of vegetation which possess soil-hold- 

 ing qualities. Waste lands and those seriously eroded which are un- 

 suitable for cultivation or pasture are planted to trees such as black 



