I was able to locate this:
Here: http://www.tbolin.com/history/billy_cobham.html
I've heard the Zephyr LPs, both with and without Bolin. They're quite nice, and though not really remarkable, worth checking out. (Candy Givens.) If anything, their last LP, SUNSET RIDE, recorded after Bolin's departure, I find to be their most memorable; features some great "mood" pieces.