, ▁ ▁or ▁ 0 . 8 % ▁is ▁bar ren ▁land , ▁ ▁or ▁ 4 2 . 4 % ▁is ▁for ested , ▁ ▁or ▁ 1 2 . 4 % ▁is ▁urban ▁development , ▁ ▁or ▁ 1 5 . 4 % ▁is ▁wet lands , ▁and ▁ ▁or ▁ 1 . 3 % ▁is ▁water . ▁According ▁to ▁ 2 0 0 2 ▁figures , ▁the ▁waters hed ▁was ▁estimated ▁to ▁be ▁home ▁to ▁approximately ▁ 1 1 , 6 0 2 ▁residents ▁of ▁Sus sex ▁County . ▁ ▁The ▁Pap ak ating ▁Creek ▁waters hed ▁is ▁fl ank ed ▁on ▁the ▁west ▁by ▁K itt atin ny ▁Mountain ▁and ▁on ▁the ▁east ▁by ▁the ▁waters hed ▁of ▁the ▁Wall kill . ▁To ▁the ▁east ▁of ▁the ▁Wall kill ▁River ▁are ▁the ▁mountains ▁of ▁New ▁Jersey ' s ▁High lands ▁phys i ographic ▁province . ▁K itt atin ny ▁Valley ▁is ▁under lain ▁by ▁dark ▁sh ale ▁and ▁lim estone ▁of ▁the ▁Mart ins burg ▁Form ation ▁and ▁has ▁so ils ▁that ▁are ▁gla cial ▁in ▁origin . ▁The ▁Mart ins burg ▁Form ation ▁is ▁a ▁two - mile - thick ▁( 3 . 2   km ) ▁layer ▁of ▁a ▁thick ▁tur bid ite ▁sequence ▁of ▁we aker ▁sed iment ary ▁materials , ▁mostly ▁sl ate , ▁gre yw ack e ▁sand stone , ▁sh ale , ▁and ▁lim estone ▁derived ▁from ▁Ord ov ician - period ▁deep ▁ocean ▁floor ▁depos its ▁ ▁( 5 4 0 ▁to