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Montezuma Well (Yavapai: ʼHakthkyayva), a detached unit of Montezuma Castle National Monument, [1] is a natural limestone sinkhole near the town of Lake Montezuma, Arizona, through which some 1,500,000 US gallons (5,700,000 L; 1,200,000 imp gal) of water emerge each day from an underground spring. It is located about 11 miles (18 km) northeast ...
Motobdella montezuma is nocturnal, resting at the bottom of the well during the day, when predatory waterfowl are present. [7] As night falls, the leeches swim towards the surface and hunt amphipods near the surface; this is the only instance of a leech hunting in open water. [7] Prey are detected by passive sonar, and swallowed whole.
Montezuma National Wildlife Refuge is a wildlife preserve operated by the United States Fish and Wildlife Service, encompassing part of the Montezuma Swamp at the north end of Cayuga Lake. The 10,004-acre (40.48 km 2 ) preserve is composed of swamps, pools and channels and is a stopping point for migratory birds.
Big Basin Prairie Preserve – St. Jacob's Well, Kansas, a water-filled sinkhole which lies in the Little Basin, and the Big Basin, a 1.5-kilometre-wide (1 mi) crater-like depression; Blue Hole (Castalia) – a fresh water pond located in Castalia, Erie County, Ohio; Blue Hole (New Mexico) – circular, bell-shaped pool east of Santa Rosa, New ...
The Montezuma Well springsnail (Pyrgulopsis montezumensis) is a species of freshwater snail in the family Hydrobiidae, the mud snails. It is endemic to Montezuma Well, a large sinkhole in Yavapai County, Arizona, in the United States. [1] This snail has an ovate shell measuring no more than 2.7 millimeters tall. The tip of the snout is pigmented.
This is an accepted version of this page This is the latest accepted revision, reviewed on 20 January 2025. Water located beneath the ground surface An illustration showing groundwater in aquifers (in blue) (1, 5 and 6) below the water table (4), and three different wells (7, 8 and 9) dug to reach it. Groundwater is the water present beneath Earth's surface in rock and soil pore spaces and in ...
Diagram of a water well partially filled to level z with the top of the aquifer at z T. For a well with impermeable walls, the water in the well is resupplied from the bottom of the well. The rate at which water flows into the well will depend on the pressure difference between the ground water at the well bottom and the well water at the well ...
Hyalella azteca has body plan similar to most amphipods and is a classic freshwater example of the order. They grow to a length of 3–8 millimetres (0.12–0.31 in), with males being larger than females. [1]