DCHP-1 Online
side-gulch 
n. a blind gulch or gully leading into a larger one.
- 1900 But for the folly of a tenderfoot (who had no respect for old miners' lore), the millions lying hid in the affluent creeks and side-gulches might never have been brought to light.
- 1900 But for the folly of a tenderfoot (who had no respect for old miners' lore), the millions lying hid in the affluent creeks and side-gulches might never have been brought to light.