On Wednesday a group of engineers, agronomists, hydrologists, topographers, and surveyors arrived whofor several weeks explored the places where Mr. Herbert had hunted his butterflies.

星期三， 一群工程师、农艺师、水文学、地形学量员抵达，他们花了几周时间探索赫伯特先生捕杀蝴蝶的地。

The Survey occasionally borrowed troopers from the nearest station in case of happening on hostile Indians, but otherwise the topographers and geologists thought more about minerals than about Sioux.

调查局偶尔会从最近的车站借来士兵，一发生在敌对的印第安人身上，但除此之外，地形学地质学更多地考虑矿物而不是苏族。