Closure of the Lazy Leo Mine


SCH Number
Lead Agency
Parks and Recreation, Department of (California Department of Parks and Recreation)
Document Title
Closure of the Lazy Leo Mine
Document Type
NOE - Notice of Exemption

Document Description
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.

Contact Information
Russ Dingman
California Department of Parks and Recreation
1416 Ninth Street P.O. Box 942896
Sacramento, CA 94296-0001

Phone : (661) 726-1672


Other Location Info
Red Rock Canyon State Park.

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
Reasons for Exemption
No potential for significant impacts to the environment is anticipated in compliance with Section 15300.1. There will be negligible or no expansion of existing use (class 1).

Disclaimer: The document was originally posted before CEQAnet had the capability to host attachments for the public. To obtain the original attachments for this document, please contact the lead agency at the contact information listed above. You may also contact the OPR via email at or via phone at (916) 445-0613.

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