There have been several threads related to Sawmill and Taboose in the past couple of weeks on High Sierra Topix.
Two are:   Maverick's 2017 Annual HST Meet-up
and   Sawmill -> Pinchot -> Taboose 7/2017 .

As of 2 weeks ago, Taboose Creek had a strong flow and was difficult at best to cross. Some folks skirted the crossings on the north side of the Canyon, but that is not so easy as the talus there is steep and can be unstable in spots. Possibly the creek is low enough now to make the crossing more manageable.