Map, depicting the impact of the Missouri Compromise on American land.
No slavery (except in Missouri) would be allowed in the Louisiana Territory north of the 36°30' latitude line.
Image online, courtesy the reocities.com website.
To cite this story
(For MLA citation guidance see easybib or OWL ):
Bos, Carole "Missouri Compromise Line - 36 Degrees, 30 Minutes" AwesomeStories.com. Publication Date. Date of Access.