Flint cross 38 : 無料・フリー素材/写真
Flint cross 38 / James St. John
| ライセンス | クリエイティブ・コモンズ 表示 2.1 |
|---|---|
| 説明 | Artist: Mary Ellen St. John-------------------------------------Flint is a cryptocrystalline, quartzose sedimentary rock - its geologic name is "chert". A famous occurrence of high-quality, colorful flint is Flint Ridge, Ohio. Prehistoric American Indians quarried this material to make arrowheads, spearpoints, and other tools. Flint is the "official state gemstone" of Ohio. |
| 撮影日 | 2021-03-19 17:20:42 |
| 撮影者 | James St. John |
| 撮影地 |

