Parks and Recreation, Department of
(California Department of Parks and Recreation)
Closure of the Lazy Leo Mine
NOE - Notice of Exemption
The project is to permanently close the Lazy Leo Mine (aka Otto Adams Mine) within Red Rock Canyon State Park. The Lazy Leo Mine is a complex mine with several adits, vertical shafts, horizontal openings and production machinery. There are over 200 meters of underground workings on at least two levels. There is danger for human safety as it contains a winze (east-facing adit) and areas of collapse. In 2007 in conjunction with the Department of Conservation Abandoned Mines Lands Unit a complete inventory of abandoned mines was completed for Red Rock Canyon State Park. The inventory indicated that over 55+- abandoned mines and features were located within the Park. As part of this inventory process, a remediation work plan was developed to identify and prioritize these abandoned mines and features for closure with the Park. This proposed closure will encompass several closure methods including bat and wildlife-friendly gates, wildlife-friendly culvert gates and a hard closure backfill.