康熙五十年(1711年)，吉林打牲乌拉总管穆克登溯鸭绿江而上，登临长白山，“至极尽处”，并在山上立碑为记，他是第二个登上长白山的清朝官员。
B-Time I-Time I-Time I-Time I-Time O B-Time I-Time I-Time I-Time I-Time O O B-Location I-Location I-Location I-Location I-Location I-Location B-Person I-Person I-Person I-Person O O B-Location I-Location B-Person O O O O O B-Location I-Location I-Location O O O O O O O O O O B-Location O O B-Thing O O O B-Person O O O O O O B-Thing I-Thing I-Thing O B-Organization I-Organization B-Person I-Person O