# Union forces as of morning of September 17, 1861. /antietam/mcclellan -l mcclellan_u:union_r:general_t /antietam/boonsboro -- maryland_u:location_r:city_t /sharpsburg/north_woods -d sharpsburg_u:location_r:terrain_t /sharpsburg/north_woods/doubleday -b doubleday_u:union_r:infantry_t /sharpsburg/north_woods/meade.* -b meade_u:union_r:artillery_t /sharpsburg/north_woods/ricketts -b ricketts_u:union_r:cavalry_t /sharpsburg/east_woods(/.*)? sharpsburg_u:location_r:terrain_t /sharpsburg/east_woods/hooker -p hooker_u:union_r:infantry_t /sharpsburg/east_woods/mansfield -p mansfield_u:union_r:artillery_t /sharpsburg/east_woods/sedgwick -p sedgwick_u:union_r:infantry_t /sharpsburg/corn_field -- <> /antietam/middle_bridge -b <> /antietam/lower_bridge -b <> /antietam/snavely -p <>