PLATE VIII. FIG. ],— THE FORESTED WATERSHED. 



In the Catoctin Mountains of Frederick County, heading an important system of municipal supply, 

 this portion of the watershed is nearly ideal. It should be kept so. 



PLATE VIII. 111-. i .\ l^KFORESTED WATERSHED. 



Removal of the original forest cover on the surrounding slopes and hills has permitted great 

 accumulations of silt to seriously interfere with continued power-production 

 at this i30int on the Patapsco River. 



