O'Brien Prairie USGS Union Center Quad, Iowa, Topographic Map

O'Brien Prairie is an Area in the state of Iowa (county of Plymouth), located at latitude - longitude coordinates (also known as lat-long or GPS coordinates) of N 42.67638 and W -96.1003. O'Brien Prairie is shown in the center of the topographic (topo) map, which is sourced from the United States Geographical Survey map USGS Union Center quad. The nearest major town is Kingsley, IA.