GRIMES COUNTY, Texas (KBTX) - The clock is ticking for two Grimes County school boards, which will vote Tuesday night on a tax incentive deal tied to SpaceX's proposed Terafab facility, a chip manufacturing plant at the Gibbons Creek Reservoir site.

It could represent the largest industrial project in U.S. history.

Anderson-Shiro Consolidated Independent School District votes first at 6:30 p.m. Tuesday.