Richardson, B. Z., and E. E. Farmer. 



1980. Test of methods for amending and seeding spoils at the Blackbird 

 Mine. USDA For. Serv. Res. Pap. INT-265, 6 p. Intermt. For. and Range 

 Exp. Stn., Ogden, Utah 84401. 



Describes the acid waste drainage problem at the Blackbird copper/cobalt 

 mine in Idaho and explains the rationale for attempting to establish vegetative 

 cover over the mineral waste dump. Lists equipment and materials used in six 

 experimental treatments. Evaluates performance of hay as a spoil 

 amendment, of 1 1 grass species tested, and of three methods of seeding. 



KEYWORDS: acid mine drainage, hydromulching, hydroseeding, liming, mine 

 spoils, mulching, pyrites, spoil amendment, sulphide (sulfide) minerals, 

 surface mining, vegetative cover. 



Richardson, B. Z., and E. E. Farmer. 



1980. Test of methods for amending and seeding spoils at the Blackbird 

 Mine. USDA For. Serv. Res. Pap. INT-265, 6 p. Intermt. For. and Range 

 Exp. Stn., Ogden, Utah 84401. 



Describes the acid waste drainage problem at the Blackbird copper/cobalt 

 mine in Idaho and explains the rationale for attempting to establish vegetative 

 cover over the mineral waste dump. Lists equipment and materials used in six 

 experimental treatments. Evaluates performance of hay as a spoil 

 amendment, of 1 1 grass species tested, and of three methods of seeding. 



KEYWORDS: acid mine drainage, hydromulching, hydroseeding, liming, mine 

 spoils, mulching, pyrites, spoil amendment, sulphide (sulfide) minerals, 

 surface mining, vegetative cover. 



"ft U.S. GOVERNMENT PRINTING OFFICE: 1981 -778-277/M9459 Region No. 8 



