北达科他州在12个历史遗址安装现代化厕所,每个遗址花费约150 000美元。 North Dakota installs modern toilets at twelve historic sites, spending about $150,000 per site.

北达科他州历史学会(North Dakota's State State State State State State State State State State State State State State Sistory Society)在12个最受欢迎、人员配备最强的历史遗址安装抽水马桶的工作已基本完成。 North Dakota's State Historical Society is almost finished installing flush toilets at its twelve most popular, staffed historic sites. 最近,Lawrence Welk Homestead加添了抽水马桶,白石山和布福堡的设施定于6月底完工。 Recently, flush toilets were added to the Lawrence Welk Homestead, and installations at Whitestone Hill and Fort Buford are set to be completed by the end of June. 每次升级费用约为150 000美元,访问较少、没有工作人员的场地将得不到升级。 Each upgrade costs approximately $150,000, and less-visited, unstaffed sites will not receive the upgrades.