A volunteer group that has taken up the mantle in a decades-long effort to build a community pool in Bolinas has made some headway, receiving a $3,500 grant from the West Marin Fund this fall. The money will pay for a land-use memorandum—a preliminary legal analysis designed to determine whether an aquatic center could be built on property owned by the Bolinas Community Public Utility District at Mesa Park. The group is evaluating a possible…