Glacier retreat occurs when more material ablates from the terminus than is replenished by flow into that region.
1850 | Fugitive Slave Act of 1850 | No Retreat, No Surrender | Retreat (spiritual) | Hermitage (religious retreat) | 1850 in literature | Compromise of 1850 | United States House of Representatives elections, 1850 | SMS Novara (1850) | Retreat | No Retreat, No Surrender 3: Blood Brothers | No Retreat, No Surrender 2 | Bonaparte's Retreat (disambiguation) | Bonaparte's Retreat | USS San Jacinto (1850) | Retreat! Retreat! | retreat | Napoleon's retreat from Moscow | Interpretation Act 1850 | Air Glaciers | 1850 United States Census | Winter Garden Theatre (1850) | Whirlwind Glaciers | Wellspring Retreat and Resource Center | The Retreat | The Law (1850 book) | The Chieftains 6: Bonaparte's Retreat | Sandstone Retreat | retreat (spiritual) | Retreat (Port Tobacco, Maryland) |