Sources and original illustrations

Primary references and the limits of this educational collection.

Primary references

• Rhode Island State Parks — Misquamicut — Facility layout, changed entry arrangements and seasonal services.
• Delaware DNREC — coastal trails — Cape Henlopen bay and ocean settings; Seaside Nature and Gordons Pond trails.
• New Hampshire State Parks — Hampton Main Beach — Main Beach destination and seasonal bathhouse and parking information.
• Maine Bureau of Parks and Lands — Popham conditions — Changing shoreline, tidal island access and dated facility notices; check current notice.
• National Park Service — Head of the Meadow Bike Trail — Two-mile connection, two access points and seasonal beach facilities.
• Connecticut State Parks — Hammonasset — Meigs Point interpretation, mapped trails and beach access.
• New York State Parks — Jones Beach — Numbered parking fields, tunnels, oceanfront fields and separate nature-center destination.
• New Jersey State Parks — Island Beach — Barrier-island setting, designated swimming and capacity-closure rules.
• York County — Yorktown Beach access — Riverfront beach, Mobi-Mat and assisted beach-chair arrangements; availability varies.
• North Carolina State Parks — Hammocks Beach — Separate mainland and Bear Island experiences and ferry information.
• South Carolina State Parks — Edisto Beach — Interior trails, environmental learning center and changing beach-access notices.
• Pinellas County — Fort De Soto — Different swim centers, designated dog beach, historic area and park map.
• Alabama State Parks — Gulf State Park — Beach pavilion, Lake Shelby, nature interpretation and separate activity settings.
• National Park Service — Ship Island — Boat-only access, limited cellular reception, fort and beach planning.
• Louisiana State Parks — Grand Isle — Barrier-ridge setting, lagoon birding and beach access information.
• Texas Parks and Wildlife — Galveston Island — Beach and bay sides, habitat trails and beach-chair assistance information.
• Michigan DNR — Warren Dunes — Lake Michigan beach, dunes, mapped trails and recreation information.
• Wisconsin DNR — Kohler-Andrae recreation — Lake Michigan recreation, dunes, trails and nature interpretation.
• Oregon State Parks — Face Rock — Viewpoint and beach access, protected rocks, day-use and photography conditions.
• California State Parks — Asilomar Coast Trail — Coast trail, boardwalk and protected habitat; keep to established routes.
• California State Parks — Asilomar Marine Reserve — Reserve restrictions on collecting and disturbing wildlife.

Original visual material

The diagrams in this edition are original SVG illustrations explaining the sequence or decisions in each guide. They do not show a laboratory experiment, a personal trip or a tested product result. No photographs from the linked sources are reproduced.

Check the source in context

References were consulted during preparation of this edition. A source may cover a broader or narrower question than a particular guide; the support notes above explain why it is listed. Read the original for methodology, exceptions and updates.