TreefrogEd: Plum Island, Ipswich, Massachusetts. Heavy mineral sand.
TreefrogEd: I = Plum Island-Parker River NWR, Ipswich, Massachusetts. 2X scale.
TreefrogEd: Point Spencer, Alaska. 2x scale.
TreefrogEd: Mouth of Ylig River, Guam
TreefrogEd: Ishigaki Island, Okinawa, Japan
TreefrogEd: SM-278-green-ForemanARch-DevilsBackbone_OR-3X-2024-04-11 21-18-13 copy
TreefrogEd: SM-278-green-ForamenARch-DevilsBackbone_OR-2X-2024-04-10 19-35-49 copy_1
TreefrogEd: LPK-2447-RevereBch-Revere_MA-1x-2024-02-13 19-32-46 copy
TreefrogEd: LPK-2447-RevereBch-Revere_MA-2x-2024-02-13 19-37-43 copy
TreefrogEd: PlumISvsRevereBch copy
TreefrogEd: Casperson Beach, gray sample, Sarasota County, Florida
TreefrogEd: Casperson Beach, black sample, Sarasota County, Florida. 1X scale.
TreefrogEd: Casperson Beach, black sample, Sarasota County, Florida. 2X scale.
TreefrogEd: Old Woman Creek Beach, Lake Erie, Huron, Ohio, 2X scale.
TreefrogEd: Old Woman Creek Beach, Lake Erie, Huron, Ohio, 3X scale.