</s> ▁Henry ▁C . ▁Gold mark ▁was ▁an ▁engineer ▁who ▁designed ▁and ▁installed ▁the ▁Pan ama ▁Canal ▁lo cks . ▁He ▁was ▁an ▁ 1 8 7 4 ▁gradu ate ▁of ▁the ▁New ▁York ▁University ▁Poly techn ic ▁School ▁of ▁Engineering . ▁ ▁References ▁ ▁Category : Pol y techn ic ▁Institute ▁of ▁New ▁York ▁University ▁al umn i ▁Category : Year ▁of ▁birth ▁missing ▁Category : Year ▁of ▁death ▁missing ▁Category : American ▁engine ers <0x0A> </s> ▁One ont a ▁is ▁a ▁town ▁in ▁Ot se go ▁County , ▁New ▁York , ▁United ▁States . ▁The ▁population ▁was ▁ 5 , 2 2 9 ▁at ▁the ▁ 2 0 1 0 ▁census . ▁ ▁The ▁Town ▁of ▁One ont a ▁surr ounds ▁the ▁City ▁of ▁One ont a ▁which ▁has ▁a ▁population ▁of ▁ 1 3 , 7 9 1 . ▁ ▁The ▁meaning ▁of ▁the ▁native ▁word ▁" one ont a " ▁is ▁City ▁of ▁the ▁Hills . ▁ ▁History ▁ ▁The ▁town ▁was ▁first ▁settled ▁before ▁the ▁American ▁Revolution ▁by ▁Pal at ine ▁Germ ans ▁and ▁Dutch ▁sett lers ▁from ▁the ▁Hudson ▁Valley . ▁In ▁ 1 7 7 9 , ▁the ▁army ▁of ▁General ▁Cl inton ▁passed ▁through ▁the ▁area ▁to ▁join ▁the ▁S ull ivan ▁Ex ped ition . ▁ ▁The ▁Town ▁of ▁One ont a ▁was ▁established ▁in ▁ 1 8 3 0 ▁from ▁parts ▁of ▁the ▁Town s ▁of ▁O te go ▁and ▁Mil ford . ▁ ▁The ▁community ▁of ▁One ont a , ▁developed ▁from