...ity on July 22, 1861. General Lyon remained at Booneville about a fortnight, preparing for a vigorous campaign in the southwest. He then held military control over the whole region northward of the Missouri River , and on July 1 there were at least 10,000 loyal troops in Missouri, and 10,000 more might have been there within forty-eight hours from camps in neighboring States. Sigel was pushing forward toward...