320.39-acre parcel of land is located in the foothills and is currently zoned OS â€“ Open Space with the city of Azusa. The property has an existing equestrian center which generates income for an "interim" period of time until alternative land uses were approved. Site is zoned Open Space (OS) & the Open Space zone is intended to protect its important natural resources by limiting building within the mountains, foothills, and river channels. Surface mining operations may also be allowed where they were established prior to the effective date of this Development Code, recognizing the community's strong interest in improving and accelerating reclamation and reducing the environmental impacts of existing vested mining, with consideration of trade-offs affecting vested mining operations and future operations adjacent and contiguous to vested operations. Future operations adjacent and contiguous to vested operations may be considered through a formal development agreement based on public participation and environmental review. For the purposes of this Development Code, vested mining rights shall mean that valid use permits have been issued by the city, or that mining is otherwise considered vested pursuant to other applicable laws.