er ▁relief ▁that ▁houses ▁a ▁shell . ▁The ▁Church ▁of ▁Saint - Martin ▁was ▁class ified ▁as ▁a ▁historic ▁monument ▁in ▁ 1 9 7 6 . ▁ ▁Build ings ▁Through out ▁the ▁territory ▁of ▁the ▁commune ▁of ▁V iam , ▁there ▁are ▁many ▁cross es , ▁often ▁in ▁gran ite ▁in ▁various ▁forms . ▁The ▁house ▁of ▁Val entin ▁D ide y ▁and ▁Eug ène ▁Leb l anc ▁is ▁located ▁by ▁the ▁lake . ▁ ▁Dam ▁ ▁The ▁E DF ▁dam ▁of ▁Mon ce aux - La - V iro le ▁was ▁built ▁on ▁the ▁Vé z ère ▁River . ▁Const ruction ▁work ▁on ▁the ▁dam ▁began ▁in ▁ 1 9 4 0 . ▁The ▁area ▁was ▁filled ▁with ▁water ▁in ▁ 1 9 4 6 . ▁▁ ▁Details : ▁ ▁Dam ▁height ▁on ▁found ations : ▁ 3 4 ▁m ▁ ▁Lake ▁area : ▁ 1 8 3 ▁ha ▁ ▁Hold ing ▁Volume ▁( maxim um ▁shore ): ▁ 2 0 ▁million ▁m 3 ▁ ▁Normal ▁river ▁flow ▁rate : ▁ 6 . 7 ▁m 3 / s ▁ ▁Max imum ▁river ▁flow ▁rate : ▁ 1 4 0 ▁m 3 / s ▁ ▁Water ▁int ake : ▁ 1 3 ▁m 3 / s ▁ ▁Notable ▁people ▁▁ ▁Richard ▁Mil let ▁ ▁Gene vi ève ▁Four g na ud , ▁painter ▁ ▁See ▁also ▁ ▁Popular ▁patron age ▁for ▁the ▁Church ▁of ▁V iam ▁The ▁Church ▁of ▁V iam ▁is ▁the ▁oldest ▁building ▁in ▁the ▁commune . ▁Since ▁the ▁beginning