Dee ihe na-aga n'ihu maka paragraf a - N'ihe dị ka ngwụcha ọnwa June, 1861, Hotchkiss bịanyere aka n'akwụkwọ dị ka onye na-ebu ụgbọ mmiri ndị Confederate iji were ihe ndị e ji enyere ndị Churchville Cavalry aka na Rich Mountain, West Virginia. Hotchkiss nyere ọrụ ya dịka onye na-eme map nye Brig. General Richard B. Garnett, onye ndị agha Confederate na-arụ ọrụ na ọdịda anyanwụ Virginia. Hotchkiss jere ozi na Ugwu Rich ma mepụta map maka mkpọsa General Robert E. Lee zubere n'ugwu. O were ezumike ahụike dị mkpirikpi mgbe ọ na-arịa ọrịa ọkụ ọkụ, mana ọ laghachiri ọrụ na Machị 1862 dị ka onye isi injinia topographical nke Valley District, na-akọ akụkọ na Maj. Gen. Stonewall Jackson. N'ihi mmeri mbụ ya n'agha nke Kernstown n'oge mkpọsa ndagwurugwu nke 1862
, na March 26, 1862, Jackson kpọrọ Hotchkiss n'isi ụlọ ọrụ ya na Narrow Passage dị nso na Woodstock wee duzie ya ka "mee m maapụ nke Ndagwurugwu, site na Harper's Ferry ruo Lexington, na-egosi isi okwu niile na mgbochi na mgbochi [sic] n'ebe ndị ahụ. " Hotchkiss tụrụ aro ozugbo bụ na akara Jackson na Stony Creek na Woodstock enweghị ike ịgbachitere, na na Jackson kwesịrị ịlaghachi na Rude's Hill, obere ihe nchebe dị na ndịda Mt. Jackson, ọ bụ gị. Ọ bụ na Rude's Hill ka Jackson hazigharịrị iwu ya maka oge fọdụrụ na mkpọsa ya nke ọma na 1862 na ndagwurugwu Shenandoah.