Approximate locations of San Francisco car owners (2000) : 無料・フリー素材/写真
Approximate locations of San Francisco car owners (2000) / Erica _ Fischer
| ライセンス | クリエイティブ・コモンズ 表示 2.1 |
|---|---|
| 説明 | Census 2000 Summary File 3 "Vehicles Available" by blockgroup, plotted by blocks assuming that vehicles were distributed within each blockgroup in proportion to the population (since blockgroups extend into the bay and into unpopulated areas like parks).For comparison with the 1926 map. |
| 撮影日 | 2010-12-21 00:50:22 |
| 撮影者 | Erica _ Fischer |
| タグ | |
| 撮影地 | San Francisco, California, United States 地図 |