Washington State, USA (United States) with 40 records
Grays Harbor County, USA (United States) with 17 records
Port Townsend, USA (United States) with 11 records
Arizona, USA (United States) with 9 records
Oregon, USA (United States) with 7 records
Sierra Vista, USA (United States) with 5 records
Paton’s Yard, USA (United States) with 4 records
Whidbey Island, USA (United States) with 4 records
Red Spring Park, USA (United States) with 4 records
Pinal County, USA (United States) with 3 records
Nevada, USA (United States) with 3 records
Hassayampa River Preserve, USA (United States) with 2 records
Daytona Beach Shores, USA (United States) with 2 records
Narrows, USA (United States) with 2 records
Harney County, USA (United States) with 2 records
Daytona Beach, USA (United States) with 2 records
Ellensburg, USA (United States) with 2 records
Red Rock Canyon National Conservation Area, USA (United States) with 2 records
Mount Rainier, USA (United States) with 1 record
Shoshone County, USA (United States) with 1 record

This is a list of the top 20 specific localities, sorted by the total amount of materials.