Tag Archives: pelargonic acid

Glen Canyon: Stealth Herbicide Use

Posted on September 4, 2012 by SF Forest Alliance

Some time back, we’d posted an article about the puzzling brown spot in Glen Canyon Park, around a rock near a trail. It looked like herbicide use, but regular visitors to the park hadn’t seen the signs SF Rec and … Continue reading →

Posted in "Natural" Areas Program, Applies Pesticides | Tagged , , | 12 Comments