The Grand Princess was denied entry to San Francisco and is sailing to a non commercial port where passengers will now have more tests.

“大公主号”被拒绝进入旧金山 它现在正驶向一个非商业港口 乘客们将在那里接受更多检查。

Later efforts to get the national park designation were halted by industrialization of the nearby Port of Indiana, the largest commercial port on Lake Michigan.

一战后，虽然依然有人为沙丘设立为国家公园而努力，但这份努力因为印第安纳港口的工业化而再次搁置。当时，印第安纳州港口是密歇根湖最大的商港。