Richardson Bay mudflats show exposed layers of bay mud. Bay mud consists of thick deposits of soft, unconsolidated silty clay, which is saturated with water; these soil layers are situated at the bottom of certain estuaries, which are normally in temperate regions that have experienced cyclical glacial cycles.
Best Answer: Enterprise does offer unlimited mileage. Alamo and Dollar offer unlimited mileage as well. Avis and Hertz have various limited and unlimited mileage offers. Just make sure you tell the agent that you're taking the car out of state - just to be certain.
Examples of United's Mileage Plus awards that now require more miles for flights operated by United: 1  The lowest-level award tickets to Europe are unchanged for economy, but now require 15,000 additional miles for business class (115,000 round trip) and 25,000 more for first (160,000 round trip).