Protesters in northern Mexico blocked access to the Penasquito mining complex operated by Goldcorp…on Thursday…Vancouver-based Goldcorp said the blockade was illegal and caused by a trucking contractor concerned about losing business due to efficiency improvements at the mine…The blockade, which includes landowners and truck drivers, began on Monday, Felipe Pinedo, one of the protest leaders, said in a telephone interview. Demands include payment for environmental damages, jobs, and water for their communities, he added.In late August, Reuters reported on a long-running leak of contaminated water, which had not been disclosed to the public, at the mine, Mexico's biggest gold deposit…