According to Wikipedia:
"The Unami word Monongahela means "falling banks", in reference to the geological instability of the river's banks. Moravian missionary David Zeisberger (1721–1808) gave this account of the naming: "In the Indian tongue the name of this river was Mechmenawungihilla (alternatively spelled Menawngihella), which signifies a high bank, which is ever washed out and therefore collapses."
The Lenape Language Project renders the word as Mënaonkihëla (pronounced [mənaoŋɡihəla]), translated "where banks cave in or erode", from the verbs mënaonkihële "the dirt caves off" (such as the bank of a river or creek, or in a landslide) and mënaonke (pronounced [mənaoŋɡe]), "it has a loose bank" (where one might fall in).
The Monongahela is formed by the confluence of the West Fork River and its "East Fork"—the Tygart Valley River—at Fairmont, West Virginia. The river is navigable its entire length with a series of locks and dams that maintain a minimum depth of 9 feet (2.7 m) to accommodate coal-laden barges. In southwestern Pennsylvania, the Monongahela is met by two major tributaries: the Cheat River, which joins at Point Marion, and the Youghiogheny River, which joins at McKeesport.
The Monongahela River — often referred to locally as the Mon — is a 130-mile-long (210 km) river on the Allegheny Plateau in north-central West Virginia and southwestern Pennsylvania, which flows from south to north. The Monongahela joins the Allegheny River to form the Ohio River at Pittsburgh."
This ammo can, placed along a trail near a popular fishing spot along the banks of the Monongahela River, contains room for SWAG and TB's. The cache is locked. The combination for the lock is in the hint. Please make sure you lock the cache back up after visiting it.
Congrats to Rooster 6 - FTF!!!