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1
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he vast or indefinite entirety of a space or area, or something compared to one:
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9
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a line where two tectonic plates meet
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11
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an area of scenic beauty, historical importance, or the like, owned and maintained by a national government for the use of the people.
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12
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the artificial application of water to land to assist in the production of crops.
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15
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the chief mountain system in North America, extending from central New Mexico to North Alaska.
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16
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any combustible organic material, as oil, coal, or natural gas, derived from the remains of former life.
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18
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able to be renewed
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20
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rock that has formed through the deposition and solidification of sediment
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22
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originating in and characteristic of a particular region or country; native
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26
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a land area having a relatively level surface considerably raised above adjoining land on at least one side, and often cut by deep canyons.
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27
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indigenous to or produced or made within one's own country; not foreign; native:
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29
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a hole or cavity made by excavating.
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2
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mineral or organic matter deposited by water, air, or ice.
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3
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a person who specializes in geologic research and study.
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4
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a stream that flows to a larger stream or other body of water.
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5
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the science dealing with the areal differentiation of the earth's surface, as shown in the character, arrangement, and interrelations over the world
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6
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the characteristic appearance of a broken surface, as of a mineral.
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7
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the process by which the surface of the earth is worn away by the action of water, glaciers, winds, waves, etc.
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8
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the branch of knowledge dealing with past events.
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10
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being without moisture; extremely dry; parched: arid land;
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11
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the natural wealth of a country, consisting of land, forests, mineral deposits, water, etc.
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13
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a circular container with a greater width than depth, becoming smaller toward the bottom, used chiefly to hold water or other liquid, especially for washing.
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14
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an excavation or pit, usually open to the air, from which building stone, slate, or the like, is obtained by cutting, blasting, etc.
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17
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a period of time marked by distinctive character, events
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19
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Trust lands are parcels of land managed by the Trust Lands Administration for the exclusive benefit of state institutions or beneficiaries, as designated by Congress.
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21
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to press together; force into less space.
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23
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characteristic of, pertaining to, or derived from living organisms
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24
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remaining; leftover.
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25
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the weather conditions of a region, as temperature, air pressure, humidity, precipitation, sunshine, cloudiness, and winds.
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28
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a specific geomorphic feature on the surface of the earth, ranging from large-scale features such as plains, plateaus, and mountains to minor features such as hills, valleys, and alluvial fans.
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