In 2001, Sierra Club produced this mailing for its members, urging them to write to state park planners to support its Conservation and Habitat Restoration Plan for the future Eastshore State Park. The mailing may have been purposely vague; it mentions all seven creeks that would touch the future ESP by name but never mentions North Point Isabel, which was hotly disputed. Instead, there are three overlapping descriptions of "Area 16."
A careful reader who also scrutinized the map (which had no legend) would realize that the only off-leash areas are orange (the off-leash area at Berkeley's Cesar Chavez Park and the southern half of Point Isabel (the "Mudpuppy's side." North Point Isabel is dark green and would not allow off-leash recreational dog walking.