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Collection place
- The Americas2,930
- North America2,579
- United States2,537
- California2,121
- San Francisco Bay Area, California911
- Northern California908
- North Central California554
- Marin County, California390
- South America348
- Peru332
- Sacramento County, California311
- Alameda County, California290
- Northwestern California285
- Northwestern United States248
- Southern California246
- Alaska245
- CA-Sac-2 or 3 or 6 ('Johnson Mound'), Sacramento County, California197
- CA-Sac-6, Sacramento County, California197
- San Joaquin County, California195
- Humboldt County, California181