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bauxite is a natural mixture of aluminum oxides. Used in the production of alumina, cement and other industrial products
Between 1100AD and 1200AD native people inhabited the plains between the Painted Desert and the San Francisco Peaks of Arizona. In an area so dry it would seem impossible to live, they built pueblos, harvested rainwater, grew crops and raised families. Their way of life was the key to survival in this harsh landscape. These people survived here, farming one of the warmest and driest places on the Colorado Plateau. They developed the skills to farm the land and endure hardship in an area where many would not. Today the remnants of their villages dot the landscape. This Pueblo dwelling is on East Mesa in Wupatki National Monument. The monument, established in 1924 to preserve this rich heritage, is near Flagstaff, Arizona, USA.
Panoramic view of Sassi di Matera a historic district in the city of Matera, well-known for their ancient cave dwellings from the Belvedere di Murgia Timone,  Basilicata, Italy
Open cut quarry with active machinery
Extraction of granite. Open cast mine. Stone Quarrying.
Aerial view of excavator moving sand in an open gravel pit.
Aerial view of a mining quarry with heavy machinery, surrounded by forest.
Cassiterite tin oxide mineral isolated on white background
Yuanyang Terraced Fields in Yunnan province,china
panorama of the historic center of Scicli Sicily Italy
Chlorargyrite (silver ore) specimen, from the Purple Passion mine near Wickenburg, Arizona. Brown and orange with white quartz deposits. Photographed with black background.
Aerial shot of a steel generation plant in Champion, a township in Trumbull County, Ohio on a sunny day in Fall.
Copper mine in Mongolia, aerial view, Erdenet
Panoramic view of an ancient city in the Basilicata region.
A low angle view of large concrete pipes lined up on the ground beside the road awaiting construction preparation with the clouds and blue sky in the background.
Aerial view Coal open cast mine Jaenschwalde and the village Griessen, Brandenburg, Germany
View of the copper sulfide mineral (Covellite, Digenite). Copper sulfides describe a family of chemical compounds and minerals with the formula CuSy.
Close-up of vehicle tyre against black background.
VIew to houses in the old city of  Matera
World at work, drone view - works on industrial heaps and waste management.
Oil drill pipe
Stairways and doorways of old town of  Matera, Basilicata, Italy
Host rock filled with dozens of closely packed spiral-shelled fossils (Turritella). Topanga Canyon Formation, Miocene Era, near Malibu, California.
Quarry from the air.Drone photography.
Historic capital in the Province of Ragusa
Hydrangea paniculata sort Limelight: hydrangea with green flowers blooms in the garden in summer. High quality photo
Quarry works industrial digging aerial view from above showing sand mound and hills uk
Historical city - Mardin
The historic center of the wonderful rock city of southern Italy, a tourist attraction for the famous \
Digger in the mine loading sand into the truck
Free Images: "bestof:Vilniaus-miesto-kanalizacijos-liukas-2007.jpg Heavy cast iron manhole cover of the city sewer in Vilnius Inscriptions Lithuanian SSR standard number in Russian"
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Russian - Standing Cup with Cover - Walters 57809.jpg
Russian - Standing Cup with Cover - Walters 57808.jpg
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View of Nulato and Yukon River, ca 1912 (THWAITES 329).jpeg.jpg
Hinode_SETA_BH_11-Jan-2016.jpg
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Antiquities_of_Samarkand._Mosque_of_Khodzha_Abdu-Berun._Prayer_Niche_(mihrab)_on_a_Panel_of_the_Main_Arch_of_the_Facade_WDL3745.png
Antiquities_of_Samarkand._Madrasah_of_Bibi_Khanym._Congregational_Mosque_(Friday_Mosque)._Inscription_on_the_Left_Panel_of_the_Entry_Niche_WDL3760.png
Antiquities_of_Samarkand._Madrasah_of_Bibi_Khanym._Congregational_Mosque_(Friday_Mosque)._Inscription_on_the_Middle_Section_of_the_Niche_WDL3761.png
Antiquities_of_Samarkand._Madrasah_of_Bibi_Khanym._Congregational_Mosque_(Friday_Mosque)._View_of_the_Main_Facade_WDL3762.png
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Antiquities_of_Samarkand._Madrasah_of_Bibi_Khanym._Congregational_Mosque_(Friday_Mosque)._Inscription_on_the_Left_Side_of_the_Marble_Reading-Stand_(Lau)_WDL3820.png
Antiquities_of_Samarkand._Madrasah_of_Bibi_Khanym._Congregational_Mosque_(Friday_Mosque)._Inscription_on_the_Left_Side_of_the_Marble_Reading-Stand_(Lau)_WDL3821.png
Antiquities_of_Samarkand._Madrasah_of_Bibi_Khanym._Congregational_Mosque_(Friday_Mosque)._Inscription_on_the_Left_Side_of_the_Marble_Reading-Stand_(Lau)_WDL3822.png
Syr-Darya_Oblast._City_of_Turkestan._Mosque_of_Saint_Sultan_Akhmed_Iassavi._Continuation_of_Engraved_Inscription_Stating_that_the_Bronze_was_Donated_by_Emir_Timur_Kuragan_WDL3591.png
Syr-Darya_Oblast._City_of_Turkestan._Mosque_of_Saint_Sultan_Akhmed_Iassavi._Continuation_of_Engraved_Inscription_Stating_that_the_Bronze_was_Donated_by_Emir_Timur_Kuragan_WDL3592.png
Syr-Darya_Oblast._City_of_Turkestan._Cauldron_Donated_by_Emir_Timur_Kuragan_for_the_Tomb_of_Saint_Sultan_Akhmed_Iassavi_WDL3588.png
Syr-Darya_Oblast._City_of_Turkestan._Beginning_of_the_Inscription_Bordering_the_Exterior_of_the_Cauldron_Located_in_the_Tomb_of_Saint_Sultan_Akhmed_Iassavi_WDL3593.png
Syr-Darya_Oblast._City_of_Turkestan._Mosque_of_Saint_Sultan_Akhmed_Iassavi._Continuation_of_Engraved_Inscription_Stating_that_the_Bronze_was_Donated_by_Emir_Timur_Kuragan_WDL3590.png
Syr-Darya_Oblast._City_of_Turkestan._Beginning_of_the_Inscription_Bordering_the_Exterior_of_the_Cauldron_Located_in_the_Tomb_of_Saint_Sultan_Akhmed_Iassavi_WDL3595.png
Syr-Darya_Oblast._City_of_Turkestan._Beginning_of_the_Inscription_Bordering_the_Exterior_of_the_Cauldron_Located_in_the_Tomb_of_Saint_Sultan_Akhmed_Iassavi_WDL3596.png
Syr-Darya_Oblast._City_of_Turkestan._Beginning_of_the_Inscription_Bordering_the_Exterior_of_the_Cauldron_Located_in_the_Tomb_of_Saint_Sultan_Akhmed_Iassavi_WDL3597.png
Syr-Darya_Oblast._City_of_Turkestan._Beginning_of_the_Inscription_Bordering_the_Exterior_of_the_Cauldron_Located_in_the_Tomb_of_Saint_Sultan_Akhmed_Iassavi_WDL3594.png
Syr-Darya_Oblast._City_of_Turkestan._Beginning_of_the_Inscription_Bordering_the_Exterior_of_the_Cauldron_Located_in_the_Tomb_of_Saint_Sultan_Akhmed_Iassavi_WDL3598.png
Syr-Darya_Oblast._City_of_Turkestan._Mosque_of_Saint_Sultan_Akhmed_Iassavi._End_of_the_Inscription_WDL3876.png
Syr-Darya_Oblast._City_of_Turkestan._Mosque_of_Saint_Sultan_Akhmed_Iassavi._Candlestick_Donated_by_Emir_Timur_Kuragan_WDL3877.png
Plan_of_Yerevan_WDL9873.png
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