Tombstone Exploration Corporation announced Construction Update & Progress as of July 15th 2020, in combination with Goldrock Resources Inc. and the Bonanza Mining Company that the construction phase is moving smoothly and on track for the complete build out of the heap leach pad and pond at the Bonanza Harquahala Gold Mine in La Paz County, Arizona on schedule. The Heap Leach Pad continues to be cut to grade and the Leach Pond is nearing completion on the property. The project should be ready for the liner install within the next few weeks. Appropriate carbon columns and tanks are expected to be delivered during the following weeks and pumps and piping for the Leach Pad and Pond have been sourced and will be ready to install during the month of August.