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- Little Bear, Ursa Minor
a constellation outside the zodiac that rotates around the North Star - Little Bighorn, Little Bighorn River, Little Horn
a river that flows from northern Wyoming into the Bighorn River in southern Montana - Dipper, Little Dipper
a cluster of seven stars in Ursa Minor - Little Missouri, Little Missouri River
a river that rises in northeastern Wyoming and flows through Montana and South Dakota to join the Missouri River in North Dakota - Little Sioux River
a river that rises in southwestern Minnesota and flows southwestward to the Missouri River in western Iowa - Little Wabash, Little Wabash River
a river in eastern Illinois that flows southeastward to the Wabash River - Llano Estacado
a large semiarid plateau forming the southern part of the Great Plains - Llullaillaco
a mountain in the Andes on the border between Argentina and Chile (22,057 feet high) - Loch Achray
a lake in central Scotland - Loch Linnhe
an inlet of the Atlantic Ocean on the western coast of Scotland - Loch Ness
a lake in the Scottish highlands - Logan, Mount Logan
a mountain peak in the St. Elias Range in the southwestern Yukon Territory in Canada (19,850 feet high) - Loire, Loire River
the longest French river - Loire Valley
the valley of the Loire River where many French wines originated - Long Island Sound
a sound between Long Island and Connecticut - Lower California, Baja California
a mountainous peninsula on northwest Mexico - Lower Peninsula
the part of northern Michigan between Lake Michigan and Lake Huron - Lupus
a constellation in the southern hemisphere near Centaurus - Lyra
a small constellation in the northern hemisphere near Cygnus and Draco - Mackenzie, Mackenzie River
a Canadian river - Madeira, Madeira River
a Brazilian river - Magdalena, Magdalena River
a river that rises in the Andes mountains in southwestern Colombia and flows generally northward to empty into the Caribbean Sea at Barranquilla - Magellanic Cloud
either of two small galaxies orbiting the Milky Way - Makalu
a mountain in the Himalayas in Nepal (27,790 feet high) - Marmara, Sea of Marmara, Marmara Denizi, Marmora, Sea of Marmora
an inland sea in northwestern Turkey - Mars, Red Planet
a small reddish planet that is the 4th from the sun and is periodically visible to the naked eye - Massachusetts Bay
an inlet of the Atlantic Ocean off of eastern Massachusetts extending from Cape Ann on the north to Cape Cod on the south - Massif Central
a mountainous plateau in southern France that covers almost one sixth of the country - Matterhorn
a mountain in the Alps on the border between Switzerland and Italy (14,780 feet high) - McKinley, Mount McKinley, Mt. McKinley, Denali
a mountain in south central Alaska - Mediterranean, Mediterranean Sea
the largest inland sea - Mekong, Mekong River
an Asian river - Menai Strait
a strait in northern Wales between Anglesey Island and the mainland - Mendenhall Glacier, Great Mendenhall Glacier
a glacier of the Piedmont type near Juneau in Alaska - Mensa
a faint constellation in the polar region of the southern hemisphere and containing part of the Large Magellanic Cloud - Mercedario
a mountain in the Andes in Argentina (22,210 feet high) - Mercury
the smallest planet and the nearest to the sun - Merrimack, Merrimack River
a river that rises in south central New Hampshire and flows through Concord and Manchester into Massachusetts and empties into the Atlantic Ocean - Mesabi Range
a range of hills in northeastern Minnesota where rich iron ore deposits were discovered in 1887 - Meuse, Meuse River
a European river - Microscopium
a faint constellation in the southern hemisphere near Sagittarius and Capricornus - Mid-Atlantic Ridge
a very long narrow elevation on the ocean floor that runs all the way from Iceland in the North Atlantic to Bouvet Island in the South Atlantic - Milk, Milk River
a river that rises in the Rockies in northwestern Montana and flows eastward to become a tributary of the Missouri River - Minamata Bay
a bay on the west coast of Kyushu - Mississippi, Mississippi River
a major North American river and the chief river of the United States - Missouri, Missouri River
the longest river in the United States - Mobile, Mobile River
a river in southwestern Alabama - Mobile Bay
a bay of the Gulf of Mexico - Mohawk River
a river of central New York that flows southeastward to the Hudson River - Mohorovicic discontinuity, Moho
the boundary between the Earth's crust and the underlying mantle - Monongahela, Monongahela River
a river that rises in northern West Virginia and flows north into Pennsylvania where it joins the Allegheny River at Pittsburgh to form the Ohio River - Mont Blanc, Monte Bianco
the highest mountain peak in the Alps - Monterey Bay
an inlet of the Pacific Ocean in western California - moon, Moon
the natural satellite of the Earth - Moray Firth
an inlet of the North Sea on the northeast coast of Scotland - Moreau River
a river that rises in western South Dakota and flows eastward to the Missouri River - Moreton Bay
an arm of the Tasman Sea forming a bay to the east of Brisbane - Mount Bartle Frere
the highest mountain peak in Queensland, Australia - Mount Carmel
a mountain range in northwestern Israel near the Mediterranean coast - Mount Elbert
the highest peak in the Rocky Mountains in central Colorado (14,431 feet high) - Mozambique Channel
an arm of the Indian Ocean between Madagascar and southeastern Africa - Murray, Murray River
a southeast Australian river - Murrumbidgee, Murrumbidgee River
a river of southeastern Australia - Musca
a small constellation in the polar region of the southern hemisphere near the Southern Cross and Chamaeleon - Muztag, Muztagh
a highest mountain peak in the Kunlun Shan in China - Nacimiento
a mountain peak in the Andes in Argentina (21,302 feet high) - Namoi, Namoi River
a river in southeastern Australia that flows generally northwest to join the Darling River - Nan, Nan River
a river of western Thailand flowing southward to join the Ping River to form the Chao Phraya - Nanda Devi
a mountain in the Himalayas in northern India (25,660 feet high) - Nanga Parbat
a mountain in the Himalayas in Kashmir (26,660 feet high) - Nan Ling
a mountain range in southeastern China running generally east to west - Nares Deep
a depression in the floor of the Atlantic Ocean to the north of Haiti and Puerto Rico - Narragansett Bay
a deep inlet of the Atlantic Ocean in Rhode Island - Neckar, Neckar River
a river in Germany - Neosho, Neosho River
a river that rises in eastern Kansas and flows eastward into Oklahoma to become a tributary of the Arkansas River - Neptune
a giant planet with a ring of ice particles - Neva, Neva River
a river in northwestern Russia flowing generally west into the Gulf of Finland - New River
a river in the southeastern United States that flows northward from North Carolina to West Virginia where it empties into the Kanawha River - New York Bay
a bay of the North Atlantic - Niagara, Niagara River
a river flowing from Lake Erie into Lake Ontario - Niagara Falls, Niagara
waterfall in Canada is the Horseshoe Falls - Niger, Niger River
an African river - Nile, Nile River
the world's longest river (4150 miles) - Niobrara, Niobrara River
a tributary of the Missouri River - Norma
a small constellation in the southern hemisphere near Lupus and Ara in the Milky Way - North America
a continent (the third largest) in the western hemisphere connected to South America by the Isthmus of Panama - North Atlantic
that part of the Atlantic Ocean to the north of the equator - North Channel
a strait between Northern Ireland and Scotland that connects the Atlantic Ocean and the Irish Sea - Northern Cross
a cluster of 5 bright stars forming a cross in the constellation Cygnus - North Pacific
that part of the Pacific Ocean to the north of the equator - North Peak
19,370 feet high - North Platte, North Platte River
a river that rises in northern Colorado and flows northward into Wyoming and then eastward and southeastward through Nebraska where it joins the South Platte to form the Platte River - North Sea
an arm of the North Atlantic between the British Isles and Scandinavia - Norwegian Sea
the part of the Atlantic that lies off the Norwegian coast to the north of the North Sea - Nuptse
a mountain in the central Himalayas on the border of Tibet and Nepal (25,726 feet high) - Ob, Ob River
a major river of western Siberia - Octans
the constellation that includes the southern celestial pole - Oder, Oder River
a European river - Ohio, Ohio River
a river that is formed in western Pennsylvania and flows westward to become a tributary of the Mississippi River - Ojos del Salado
a mountain in the Andes on the border between Argentina and Chile (22,572 feet high) - Okeechobee, Lake Okeechobee
a lake in southeast Florida to the north of the Everglades - Okefenokee Swamp
a large swampy area of northeast Florida and southeast Georgia - Old Faithful
a geyser in Yellowstone National Park that erupts for about 4 minutes about every 65 minutes - Olduvai Gorge
a gorge in northeastern Tanzania where anthropologists have found some of the earliest human remains - Olympus, Mount Olympus, Mt. Olympus, Olimbos
a mountain peak in northeast Greece near the Aegean coast - Omega Centauri
a global cluster in the constellation Centaurus - Ophiuchus
a large constellation in the equatorial region between Hercules and Scorpius - Orange, Orange River
a river in South Africa that flows generally westward to the Atlantic Ocean - Orinoco, Orinoco River
a South American river 1,500 miles long - Osage, Osage River
a river in Missouri that is a tributary of the Missouri River - Osaka Bay
a bay of the western Pacific in southern Honshu - Ottawa, Outaouais, Ottawa river
a river in southeastern Canada that flows along the boundary between Quebec and Ontario to the Saint Lawrence River near Montreal - Ouachita, Ouachita River
a river that rises in western Arkansas and flows southeast into eastern Louisiana to become a tributary of the Red River - Ouse, Ouse River
a river in northeastern England that flows generally southeastward to join the Trent River and form the Humber - Ozarks, Ozark Mountains, Ozark Plateau
an area of low mountains in northwestern Arkansas and southeastern Missouri and northeastern Oklahoma - Pacific, Pacific Ocean
the largest ocean in the world - Pacific Coast
a coast of the Pacific Ocean - Pallas
a large asteroid - Pamir Mountains, the Pamirs
a mountain range in central Asia that is centered in Tajikistan but extends into Kyrgyzstan and Afghanistan and Pakistan and western China - Pangaea, Pangea
(plate tectonics) a hypothetical continent including all the landmass of the earth prior to the Triassic period when it split into Laurasia and Gondwanaland - Para, Para River
an estuary in northern Brazil into which the Tocantins River flows - Parana, Parana River
a South American river - Parnaiba, Parnahiba
a river in northeastern Brazil that flows generally northward to the Atlantic Ocean - Parnassus, Mount Parnassus, Liakoura
(Greek mythology) a mountain in central Greece where (according to Greek mythology) the Muses lived - Paulo Afonso, Paulo Afonso Falls
a major waterfall in northeastern Brazil - Pavo
a small constellation near the South Pole between Tucana and Ara - Pearl River
a river in Mississippi that flows southward to the Gulf of Mexico - Pecos, Pecos River
a tributary of the Rio Grande that flows southeastward from New Mexico through western Texas - Pee Dee, Pee Dee River
a river that flows through central North Carolina and northeastern South Carolina to the Atlantic Ocean - Pegasus
a constellation in the northern hemisphere near Andromeda and Pisces - Penobscot, Penobscot River
a river in central Maine flowing into Penobscot Bay - Penobscot Bay
an inlet of the Atlantic in eastern Maine - Perejil
a small uninhabited Mediterranean islet claimed by both Morocco and Spain - Perseus
a conspicuous constellation in the northern hemisphere - Persian Gulf, Arabian Gulf
a shallow arm of the Arabian Sea between Iran and the Arabian peninsula - Phobos
the larger of the two satellites of Mars - Phoenix
a constellation in the southern hemisphere near Tucana and Sculptor - Pictor
a constellation in the southern hemisphere near Dorado and Columba - Pike's Peak
a mountain peak in the Rockies in central Colorado (14,109 feet high) - Pillars of Hercules
the two promontories at the eastern end of the Strait of Gibraltar - Ping, Ping River
a river in western Thailand - Pisces
a large faint zodiacal constellation - Pissis
a mountain in the Andes in Argentina (22,241 feet high) - Platte, Platte River
a river in Nebraska that flows eastward to become a tributary of the Missouri River - Pleiades
a star cluster in the constellation Taurus - Pluto
a small planet and the farthest known planet from the sun - Po, Po River
a European river - Pobeda Peak, Pobedy Peak
a mountain peak in the Tien Shan mountains in northern India (24,406 feet high) - Polaris, North Star, pole star, polar star, polestar
the brightest star in Ursa Minor - Pollux
the brightest star in Gemini - Potomac, Potomac River
a river in the east central United States - Poyang
a lake in central China that is connected to the Chang Jiang by a canal - Procyon
the brightest star in Canis Minor - Proxima, Proxima Centauri
the nearest star to the sun - Prudhoe Bay
a bay on the northern coast of Alaska where oil was discovered in 1968 - Puget Sound
an inlet of the North Pacific in northwestern Washington State - Puppis
a constellation in the southern hemisphere between Vela and Canis Major that shaped like the stern of a boat - Purus, Purus River
a Brazilian river - Pyrenees
a chain of mountains between France and Spain - Pyxis
a constellation in the southern hemisphere near Puppis and Antlia - Quaoar
a planetoid discovered in 2002 - Queen Charlotte Sound
an inlet of the Pacific Ocean off the coast of British Columbia - Rakaposhi
a mountain peak in the Karakoram Range in northern Kashmir (25,560 feet high) - Ranier, Mount Ranier, Mt. Ranier, Mount Tacoma
a mountain peak in central Washington - Rappahannock, Rappahannock River
a river that flows across eastern Virginia into the Tidewater region - Red, Red River
a tributary of the Mississippi River that flows eastward from Texas along the southern boundary of Oklahoma and through Louisiana - Red Sea
a long arm of the Indian Ocean between northeast Africa and Arabia - Regulus
the brightest star in Leo - Republican, Republican River
a tributary of the Kansas River that flows from eastern Colorado eastward through Nebraska and Kansas - Reticulum
a small constellation in the southern hemisphere near Dorado and Hydrus - Rhine, Rhine River, Rhein
a major European river carrying more traffic than any other river in the world - Rhodope Mountains
a mountain range in the Balkan peninsula in southeastern Europe - Rhone, Rhone River
a major French river - Rigel, Beta Orionis
the brightest star in Orion - Rio de la Plata, La Plata, Plata River
an estuary between Argentina and Uruguay - Rio Grande, Rio Bravo
a North American river - Rockies, Rocky Mountains
the chief mountain range of western North America - Ross Sea
an arm of the southern Pacific Ocean in Antarctica - Ruhr, Ruhr River
a tributary of the Rhine - Rushmore, Mount Rushmore, Mt. Rushmore
a mountain in the Black Hills of South Dakota - Russian River
a river in northern California - Saale, Saale River
a river that rises in central Germany and flows north to join the Elbe River - Sabine, Sabine River
a river in eastern Texas that flows south into the Gulf of Mexico - Sacramento Mountains
mountain range in New Mexico to the east of the Rio Grande - Sacramento River
a river in northern California rising near Mount Shasta and flowing south to the San Francisco Bay - Sagitta
a small constellation in the northern hemisphere between Cygnus and Aquila and crossed by the Milky Way - Sagittarius
a large zodiacal constellation in the southern hemisphere - Saint Francis, Saint Francis River, St. Francis, St. Francis River
a tributary of the Mississippi River that rises in Missouri and flows southeastward through Arkansas - Saint John, St. John, Saint John River, St. John River
a river that rises in Maine and flows northeastward through New Brunswick to empty into the Bay of Fundy - Saint Johns, Saint Johns River, St. Johns, St. Johns River
a river in northeastern Florida that flows northward to Jacksonville and then eastward to empty into the Atlantic Ocean - Saint Lawrence, Saint Lawrence River, St. Lawrence, St. Lawrence River
a North American river - Sajama
a mountain peak in the Andes in Bolivia (21,391 feet high) - Salmon, Salmon River
a tributary of the Snake River in Idaho - Salton Sea
a saltwater lake in southeastern California - Sambre, Sambre River
a river in western Europe that rises in northern France and flows generally east into Belgium where it joins the Meuse at Namur - San Andreas Fault
a major geological fault in California - San Diego Bay
a bay of the Pacific in southern California - San Fernando Valley
a fertile valley in southern California to the north of Los Angeles - San Francisco Bay
a bay of the Pacific in western California - San Joaquin River
a river in central California that rises in the Sierra Nevada and flows northwest to form a large delta with the Sacramento River