a depression or cavity formed in the earth when underlying material collapses
a long, narrow, raised area, such as the crest of a hill
the water beneath the earth's surface that supplies springs and wells
about a substance, for example rock, such that liquid or gas can move through it
a natural hollow in the earth, especially one with an opening in a hillside or cliff
a channel, ditch, or pipe used to convey water or other liquid
the shape and height or depth of the surface features of a place, area, or region
to make water, air, or land dirty or unhealthy by adding waste material
water and waste carried away in sewers
solid material that settles to the bottom of a liquid
how the earth's surface is worn away by glaciers, wind, and waves
calcium magnesium carbonate, the most common rock in the Bryant watershed
an area where limestone is common and there are many sinkholes and caves
a hard compact variety of quartz, found in limestone
rock that is formed of grains of quartz held together with a cementlike structure
the study of the physical structure, composition, and development of Earth
the area of land that drains into a river, river system, or lake
to make impure or unusable by contact or adding a harmful substance
a sedimentary rock of calcium carbonate composed primarily of the mineral calcite
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