Note 10 — Chapter IV
Reading edition
Exact figures are not obtainable for the west bound mail but it was probably not so heavy.
At this time--Sept., 1861--the telegraph had been extended from the Missouri to Fort Kearney, Nebraska, and letter pouches from the Pony Express were sent by overland stage from Kearney to Atchison. Messages of grave concern were wired as soon as this station was reached.