![Archaeologist Jeff Rasic holds a tray of obsidian tools found in the Nogahabara Dunes west of the Koyukuk River. Photo by Ned Rozell.](https://dehayf5mhw1h7.cloudfront.net/wp-content/uploads/sites/1966/2024/07/05162616/1-jeff-rasic-1000x563.webp)
Mystery of the glass tool kit in the sand
From space, the Nogahabara Dunes are a splotch of blond sand about six miles in diameter surrounded by green boreal forest. Located west of the Koyukuk River, the dunes are the site of an uncommon discovery.