STS073-725-025 Missouri River, Missouri, U.S.A. October 1995 Featured in this west-looking, low-oblique photograph is the east-trending Missouri River between Grand Pass (not discernible) and Boonville (not discernible). In this region the floodplain of the Missouri River narrows as it reaches the northern portion of the Ozark Plateau. The effects of the floods of 1993 are still evident.