bolt
1) lag-or machine-threaded cable anchor or bracing rod; used with a nut and washer in supplemental support systems in trees. 2) a machine threaded fastener used with a nut and washer in various equipment or structures.
bonding conductor
an electrical connection between an electrically conductive object and a component of a lightning protection system that is intended to significantly reduce potential differences created by lightning currents.
BLM
Bureau of Land Management