At the outbreak of the war with Spain he resigned from the Navy Department and raised the first volunteer regiment of cavalry, popularly known as the "Rough Riders," because many of its members were Western cowboys and ranchmen expert in the handling of the rough and often unbroken horses of the Western frontier.
On the outbreak of the Spanish American War in 1898 Wood was commissioned colonel of volunteers, and together with Roosevelt, as lieutenant-colonel, raised the famous regiment of " Rough Riders," composed of western ranchmen and cowboys as well as members of prominent eastern families eager to serve under these two strenuous leaders.
For the reservation of the water-partings in the past considerably denuded by lumbermen and ranchmen the increase of the forest areas, and the creation of reservoirs along the rivers, to control their erratic flow 2 and impound their flood waste for purposes of irrigation, much has been done by the national government.
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