This geography project document summarizes different landforms and bodies of water. It describes lakes as large bodies of water surrounded by land, and rivers as natural streams flowing into seas, lakes or other rivers. Tributaries are defined as rivers or streams flowing into larger rivers or lakes. Gulfs are described as deep sea inlets almost surrounded by land, while bays are partially surrounded by water. Additionally, it defines landforms such as mountains, hills, plains, plateaus, islands and peninsulas.