Earth Resources Observation and Science (EROS) Center's Journey of Lewis and Clark Gallery

The Earth Resources Observation and Science (EROS) Center manages the this gallery of Landsat-derived images of one of the most remarkable and productive scientific explorations in American history. The Corps of Discovery expedition crossed the territory of the newly acquired but uncharted Louisiana Purchase.

地球资源观测与科学中心（Earth Resources Observation and Science, 简称EROS）负责管理这一由Landsat图像派生而成的图像库，该图像库收录了美国历史上最为卓越且富有成效的科学探险之一。发现军团（Corps of Discovery）的探险队穿越了新近购得但尚未绘制的路易斯安那购地领土。