Missouri River Corps of Rediscovery: Gateway

"We left our establishment at the mouth of the river du Bois or Wood river, a small river which falls into the Mississippi, on the east-side, a mile below the Missouri, and having crossed the Mississippi proceeded up the Missouri on our intended voyage of discovery... The day was showery and in the evening we encamped on the north bank six miles up the river. Here we had leisure to reflect on our situation, and the nature of our engagements: and, as we had all entered this service as volunteers, to consider how far we stood pledged for the success of an expedition, which the government had pro...