| ★ | 🪨 Seattle Birthplace Monument at Alki Beach--Seattle, Washington | | 145 | Estados Unidos | |
| 17 | 🪨 Thea's Park Erratic Boulder, Tacoma, Washington | | 1.2K | Estados Unidos | 86 |
| 14 | 🪨 The Different Sources of Owen Beach Sand, Tacoma, Washington | | 1.0K | Estados Unidos | 87 |
| 5 | 🪨 Ice Age Glacial Silt and Puget Sound Brick, Washington | | 720 | Estados Unidos | 88 |
| 9 | 🪨 Worn Brick vs. Rock ID'd--Seattle, Washington | | 709 | Estados Unidos | 87 |
| 18 | 🪨 Beach Sediment Sizes and Energy in Puget Sound, Washington | | 584 | Estados Unidos | 86 |
| 19 | 🪨 Odd and Historic Chimney Rock--Alturas, California | | 507 | Estados Unidos | 86 |
| 11 | 🪨 Martha Lake Glacial Erratic Boulder--Lynnwood, Washington | | 440 | Estados Unidos | 87 |
| 13 | Understanding Beach Geology at Point Defiance Park, Tacoma, Washington | | 331 | Estados Unidos | 87 |
| 20 | The Donovan Erratic--Bellingham, Washington | | 253 | Estados Unidos | 86 |
| 2 | 🪨 Old USCGS Survey Stone, Tacoma, Washington | | 237 | Estados Unidos | 88 |
| 8 | 🪨 Xenoliths on Weathered Surfaces and in Cut Stone--Index, Washington | | 210 | Estados Unidos | 88 |
| 10 | 🪨 Iceberg Dropstone Sediments--Tacoma, Washington | | 208 | Estados Unidos | 87 |
| 4 | 🪨 Historic Milepost Survey Marker, Portland, Oregon | | 198 | Estados Unidos | 88 |
| 16 | 🪨 Concrete vs. Rock ID’d—Seattle, Washington | | 189 | Estados Unidos | 87 |
| 12 | 🪨 This Boulder's Intrusion is Harder than the Rock Around It | | 184 | Estados Unidos | 87 |
| 3 | 🪨 Land Surveying Monument, Bellingham, Washington | | 153 | Estados Unidos | 88 |
| 7 | 🪨 Tumbled Beach Brick--Compared to Rock Identified | | 133 | Estados Unidos | 88 |
| 6 | 🪨 Historic Thorp Grist Mill Stone--Thorp, Washington | | 112 | Estados Unidos | 88 |
| 1 | Alki Point, Seattle--Ancient Submarine Landslide Rocks | | 102 | Estados Unidos | 89 |
| 15 | The Oyster Bay Glacial Erratic--Olympia, Washington | | 70 | Estados Unidos | 87 |