AN EASTERN PENNSYLVANIA TROUT STREAM 



773 



■Study 

 area 



Scale, km 



Sampling station -Qr 

 Sewage plant [~) 



Fig. 1 Bushkill Creek Drainage Basin. 



Industries line the banks where the stream enters the urban area of 

 Easton 6.4 km above the mouth. 



Stations 28 (km) through 12 (km) are located in rural areas. 

 Station 10 (km) is in an agricultural area, immediately downstream 

 of a 2.0-km section of the rechanneled streambed and the gabion 

 installation. Station 2 (km) is in the city of Easton. Rainfall exerts 

 less impact and stream flow is less variable in the lower part of the 

 drainage basin than in the upper basin. The stream slope averages 

 9.6 m/km. The lack of overland drainage on the east side of the 

 stream suggests subterranean drainage in the area, and flow studies 



