The Bureau of Land Management's Mother Lode Field Office has announced that it will close the Cronan Ranch and Greenwood Creek parcels to public access on April 16 and 17, 2013, when herbicides will be applied for invasive weed control.
A notice of intent to apply herbicides will be posted on signs at the trailhead at least 24 hours before application and closure signs will be posted during the herbicide application.
Broadcast and spot herbidide applications are planned along approximately 14 miles of trail edges to reduce weeds and make trails more accessible for recreational use.
"We are taking an integrated weed management approach to control invasive plants," said Jeff Horn, outdoor recreation planner in the Mother Lode Field Office.
The weed treatments are needed to reduce invasive plants, predominatly yellow starthistle and medusahead.
Land use practices have created extensive infestations of these invasive weeds throughout the Cronan Ranch and Greenwood Creek areas, he said.
In addition to herbicides, BLM is using mowing, pulling and prescribed fire to help control the invasive weeds.
As part of that integrated approach, BLM plans to use prescribed fire on 66 acres infested with yellow starthistle and medusahead withing the "Long Valley" portion of the Cronan Ranch parcel, possibly later this year.
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