Hughes, G.M. <br/><br/>
Hydrogeology of solid waste disposal sites in Northeastern -Illinois: a final report on a solid waste demonstration gra-nt project / by G.M. Hughes, R.A. Landon, and R.N. Farvolde-n 

 - Washington, D.C. : Environmental Protection Agency 
 - [164] p. 
 - Report SW-12d .