182 



MM 



i-iH. 5. .Spillwa.v i)( till' upper p >nil af Blooniin^Lon water-works, sh^iwiinj joints in iho rock. 



I'i.;. I). Joints onlarj;eJ bj- silulion. Cut on Illinois ("cnlral K. U., Hlooiiiin-iiton. 



