5 0 . ▁S ke en ▁had ▁two ▁w ives : ▁his ▁first ▁wife , ▁Caroline , ▁was ▁an ▁imm igr ant ▁from ▁England , ▁while ▁his ▁second ▁wife , ▁Mary ▁Davis , ▁was ▁an ▁imm igr ant ▁from ▁Wales . ▁The ▁house ▁was ▁built ▁with ▁the ▁help ▁of ▁two ▁other ▁M orm on ▁pione ers : ▁William ▁Sh arp , ▁the ▁st on em ason , ▁and ▁Thomas ▁Sing leton , ▁a ▁car p enter . ▁The ▁house ▁was ▁purchased ▁in ▁ 1 8 6 8 ▁by ▁Eb ene zer ▁C . ▁Richard son , ▁who ▁lived ▁here ▁with ▁his ▁four ▁w ives ▁and ▁ 1 2 ▁children . ▁It ▁has ▁been ▁listed ▁on ▁the ▁National ▁Register ▁of ▁Historic ▁Places ▁since ▁August ▁ 9 , ▁ 1 9 8 2 . ▁ ▁The ▁house ▁is ▁unusual ▁for ▁its ▁salt box ▁form . ▁ ▁It ▁has ▁one ▁large ▁room ▁on ▁its ▁second ▁story , ▁above ▁the ▁front ▁rooms ▁of ▁the ▁first ▁floor . ▁ ▁Ext ending ▁back ▁from ▁the ▁roof ▁r idge ▁in ▁one ▁long ▁swe ep ▁is ▁a ▁shed ▁roof ▁of ▁the ▁New ▁England ▁" s alt box " ▁type . ▁ ▁The ▁house ▁is ▁one ▁of ▁only ▁four ▁in ▁Ut ah ▁having ▁that ▁roof ▁shape . ▁ ▁The ▁others ▁are ▁the ▁Joseph ▁Be es ley ▁house ▁in ▁Pro vo ▁( which ▁has ▁been ▁significantly ▁modified ), ▁the ▁Laur itz ▁Smith ▁House ▁in ▁Dra per ▁( NR HP - list ed ), ▁and ▁the ▁Ham pton ' s ▁Ford ▁Stage ▁Station ▁in