Received this from Lori Paul:
Coco is a small, female, terrier-type dog with collar and tags (unless they've fallen off or been removed) who apparently got out of a car and away from her owner near Farnsworth Park late afternoon today. She could be anywhere in the vicinity of that park (hopefully not in Cobb Estate, but possible... if she followed a dog walker or crossed Lake Avenue).
Coco is from out of the area, but stays from time to time at Bonny Schumaker's cabin up in Millard Canyon, so the little dog might walk up Chaney Trail. Or, Coco may try to make her way back by walking along Loma Alta or via the Altadena Crest Trail from the top of Lake Avenue, traveling westward past the top of Devonwood Rd, crossing a trailhead at the N. end of Canon Blvd. (a culdesac), or following the trail to where it ends in the Skylane Drive barn area.
Please share this info. with neighbors and hikers. Coco is small and dark, which is worrisome re: her safety on the road at night in traffic. Coyotes are another concern. Coco is friendly to both people and dogs, but may be frightened and skittish.
Call anytime! We need to get this little dog home safely. She is not wise re: wildlife and her life is in danger.
UPDATE: Coco's back home -- check the comments for details.