You searched for: Place Arkansas Remove constraint Place: Arkansas Place Jefferson Remove constraint Place: Jefferson Place Pine Bluff Arsenal from the Mississippi River Alluvial Plain physiographic region. About 1 mile north of Yellow Lake. Remove constraint Place: Pine Bluff Arsenal from the Mississippi River Alluvial Plain physiographic region. About 1 mile north of Yellow Lake. Topic Magnoliopsida Remove constraint Topic: Magnoliopsida Topic Poales Remove constraint Topic: Poales