Missouri Fur Company, and McClellan swore if he ever met Lisa he would kill him. Later, with the Astor Expedition, he met Lisa on the Missouri, but, with difficulty, he was restrained from carrying out his threat. In 1809 Crooks and McClellan dissolved their partnership, and Crooks went to Mackinac to work for the Northwest Company (fur traders) where William Price Hunt, the organizer of the Astor expedition, signed him as a partner in the Astor group to take part in the expedition. References Ramsay Crooks Biography History - Minnesota Infantry (Part 1) Ramsay Crooks Obituary in Minnesota Daily Pioneer and Democrat June 23, 1859 External links The American Fur Trade Ramsay Crooks Biography at the Dictionary of Canadian Biography Online 1787 births 1859 deaths Canadian fur traders Scottish emigrants to pre-Confederation Ontario Persons of National Historic Significance (Canada) Immigrants to Upper Canada American Fur Company people People from Greenock American fur traders