▁ ▁Ge ology ▁Much ▁of ▁the ▁southern ▁part ▁of ▁the ▁Lim estone ▁Run ▁waters hed ▁is ▁in ▁the ▁Will s ▁Creek ▁formation , ▁which ▁comes ▁from ▁the ▁Sil ur ian ▁period ▁and ▁consists ▁mainly ▁of ▁cal care ous ▁sh ale . ▁The ▁part ▁of ▁the ▁waters hed ▁is ▁composed ▁of ▁rocks ▁from ▁the ▁Blo oms burg ▁and ▁M if fl int own ▁form ations , ▁which ▁mainly ▁consist ▁of ▁sh ale . ▁It ▁is ▁found ▁in ▁a ▁small ▁area ▁in ▁the ▁sout he astern ▁part ▁of ▁the ▁waters hed . ▁The ▁Key ser ▁and ▁Ton ol ow ay ▁form ations , ▁which ▁mainly ▁consist ▁of ▁lim estone ▁and ▁are ▁from ▁the ▁Dev onian ▁and ▁Sil ur ian ▁periods , ▁are ▁found ▁in ▁the ▁northern , ▁central , ▁and ▁extreme ▁southern ▁parts ▁of ▁the ▁waters hed . ▁ ▁The ▁Buff alo ▁Valley ▁is ▁in ▁the ▁Lim estone ▁Run ▁waters hed . ▁ ▁W aters hed ▁Much ▁of ▁the ▁western ▁part ▁of ▁the ▁Lim estone ▁Run ▁waters hed ▁is ▁agricult ural ▁land . ▁Lar ge ▁port ions ▁of ▁the ▁central ▁and ▁sout he astern ▁reaches ▁of ▁the ▁waters hed ▁are ▁for ested ▁land . ▁Most ▁of ▁the ▁eastern ▁part ▁of ▁the ▁waters hed ▁is ▁on ▁a ▁hard ▁surface . ▁The ▁communities ▁of ▁Lewis burg ▁and ▁Lin nt own ▁are ▁both ▁in ▁the ▁waters hed . ▁ ▁Lim estone ▁Run ▁dra ins ▁about ▁two ▁third s ▁of ▁the ▁area ▁of ▁Lewis burg . ▁ ▁History ▁Lim estone ▁Run ▁has ▁been ▁known ▁in ▁the ▁past ▁as ▁Spring