▁ ▁Holland ▁was ▁later ▁employed ▁in ▁surve ying ▁the ▁settled ▁parts ▁of ▁the ▁Saint ▁Lawrence ▁River ▁valley ▁and ▁in ▁drawing ▁up ▁new ▁plans ▁for ▁a ▁cit adel ▁in ▁Quebec ▁after ▁the ▁French ▁sie ge ▁was ▁lifted . ▁ ▁Survey or ▁General ▁ ▁In ▁ 1 7 6 2 , ▁Holland ▁took ▁his ▁maps ▁to ▁London ▁where ▁he ▁submitted ▁them ▁to ▁the ▁Board ▁of ▁Trade , ▁propos ing ▁a ▁survey ▁of ▁all ▁British ▁poss essions ▁in ▁North ▁America ▁to ▁facil itate ▁settlement , ▁a ▁proposal ▁which ▁was ▁accepted ▁in ▁ 1 7 6 4 . ▁ ▁On ▁ 6 ▁March ▁ 1 7 6 4 , ▁Holland ▁was ▁appointed ▁Survey or - General ▁of ▁North ▁America . ▁On ▁ 2 3 ▁March , ▁he ▁received ▁instructions ▁to ▁survey ▁all ▁British ▁poss essions ▁north ▁of ▁the ▁Pot om ac ▁River , ▁which ▁included ▁Is le ▁Saint - Jean , ▁the ▁Mag d alen ▁Islands ▁and ▁Cape ▁Bre ton ▁Island , ▁because ▁of ▁their ▁importance ▁for ▁the ▁fish eries . ▁ ▁Holland ▁arrived ▁in ▁October ▁ 1 7 6 4 ▁on ▁Is le ▁Saint - Jean , ▁whose ▁territory ▁was ▁c eded ▁to ▁Britain ▁under ▁the ▁Tre aty ▁of ▁Paris ▁( 1 7 6 3 ). ▁The ▁task ▁of ▁mapping ▁the ▁island ▁last ed ▁two ▁years . ▁Holland ' s ▁survey ▁divided ▁the ▁island ▁into ▁a ▁series ▁of ▁town ships ▁known ▁as ▁" l ots ", ▁par ishes , ▁count ies , ▁and ▁" roy alt ies " ▁( shire ▁towns ) ▁in ▁advance ▁of ▁a