Early Calvary Trails
| Troops from the U.S. Calvary detachment stationed at the Presidio in San Francisco were assigned the seasonal duty of protecting the newly established Yosemite National Park beginning in 1891. Colonel Harry Benson and Gabriel Sovulewski, pictured below, were instrumental in building Yosemite's early trail system - first in response to sheep incursions in the region surrounding the park and then to expand the system itself for visitor use |

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