Report of the Secretary of War : communicating copies of all reports of the engineers and other persons, employed to make explorations and surveys to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean, that have been received at the department

"Report of the Secretary of War : communicating copies of all reports of the engineers and other persons, employed to make explorations and surveys to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean, that have been received at the department"@en
"Report of the Secretary of War"@en