Mammoth Cave, Kentucky is the world’s longest cave system, with more than 400 miles explored. Tours of Mammoth Cave have been given since 1816.
Capital Frankfort
Image Source Landsat 8
Population 4,505,836
Number of Pixels 116,287,675
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Mammoth Cave, Kentucky is the world’s longest cave system, with more than 400 miles explored. Tours of Mammoth Cave have been given since 1816.
Capital Frankfort
Image Source Landsat 8
Population 4,505,836
Number of Pixels 116,287,675
Mammoth Cave, Kentucky is the world’s longest cave system, with more than 400 miles explored. Tours of Mammoth Cave have been given since 1816.
Capital Frankfort
Image Source Landsat 8
Population 4,505,836
Number of Pixels 116,287,675
The Mackinac Bridge is one of the longest suspension bridges in the world. It connects the upper and lower peninsulas of Michigan and spans five miles over the Straits of Mackinac, where Lake Michigan and Lake Huron meet.
Capital Lansing
Image Source Landsat 8
The Mackinac Bridge is one of the longest suspension bridges in the world. It connects the upper and lower peninsulas of Michigan and spans five miles over the Straits of Mackinac, where Lake Michigan and Lake Huron meet.
Capital Lansing
Image Source Landsat 8
Although once described as the “Great American Desert,” Nebraska is now a breadbasket for the nation and much of the world. It ranks among the leading states in many agricultural production categories.
Capital Lincoln
Image Source Landsat 8
Population 1,961,504
Although once described as the “Great American Desert,” Nebraska is now a breadbasket for the nation and much of the world. It ranks among the leading states in many agricultural production categories.
Capital Lincoln
Image Source Landsat 8
Population 1,961,504
Utah mountain peaks, on average, are the tallest in the country. The average elevation of the tallest peaks in each of Utah’s counties is 11,222 feet–higher than the same average in any other state.
Capital Salt Lake City
Image Source Landsat 8
Population 3,271,616
Utah mountain peaks, on average, are the tallest in the country. The average elevation of the tallest peaks in each of Utah’s counties is 11,222 feet–higher than the same average in any other state.
Capital Salt Lake City
Image Source Landsat 8
Population 3,271,616
Alabama is the only state in the country that contains all of the major natural resources needed to make iron and steel. It is also the largest supplier of cast-iron and steel pipe products.
Capital Montgomery
Image Source Landsat 8
Population 5,024,279
Alabama is the only state in the country that contains all of the major natural resources needed to make iron and steel. It is also the largest supplier of cast-iron and steel pipe products.
Capital Montgomery
Image Source Landsat 8
Population 5,024,279
The highest and lowest points in the continental United States are located within 100 miles of each other in California: Mount Whitney (14,494 feet) and Death Valley (282 feet below sea level).
Capital Sacramento
Image Source Landsat 8
Population 39,538,223
The highest and lowest points in the continental United States are located within 100 miles of each other in California: Mount Whitney (14,494 feet) and Death Valley (282 feet below sea level).
Capital Sacramento
Image Source Landsat 8
Population 39,538,223
Plymouth Rock is the legendary stepping stone of the Pilgrims’ arrival in what is now Massachusetts. It sits on the shore of Plymouth Harbor at Pilgrim Memorial State Park and is actually no bigger than a coffee table.
Capital Boston
Image Source Landsat 8
Population 7,029,917
Plymouth Rock is the legendary stepping stone of the Pilgrims’ arrival in what is now Massachusetts. It sits on the shore of Plymouth Harbor at Pilgrim Memorial State Park and is actually no bigger than a coffee table.
Capital Boston
Image Source Landsat 8
Population 7,029,917
The largest earthquake ever recorded in the continental United States occurred near New Madrid, Missouri, in 1812. The quake shook more than one million square miles and was felt as far as 1,000 miles away.
Capital Jefferson City
Image Source Landsat 8
Population 6,154,913
The largest earthquake ever recorded in the continental United States occurred near New Madrid, Missouri, in 1812. The quake shook more than one million square miles and was felt as far as 1,000 miles away.
Capital Jefferson City
Image Source Landsat 8
Population 6,154,913
Since 1931, Rugby, North Dakota, has been recognized as the geographical center of North America. A 15-foot tall rock obelisk, flanked by poles flying the United States and Canadian flags, marks the location.
Capital Bismarck
Image Source Landsat 8
Population 779,094
Since 1931, Rugby, North Dakota, has been recognized as the geographical center of North America. A 15-foot tall rock obelisk, flanked by poles flying the United States and Canadian flags, marks the location.
Capital Bismarck
Image Source Landsat 8
Population 779,094
Crater Lake, in south-central Oregon, is the deepest lake in the United States and was formed in the remains of an ancient volcano. The lake is widely known for its intense blue color and spectacular views.
Capital Salem
Image Source Landsat 8
Population 4,237,256
Crater Lake, in south-central Oregon, is the deepest lake in the United States and was formed in the remains of an ancient volcano. The lake is widely known for its intense blue color and spectacular views.
Capital Salem
Image Source Landsat 8
Population 4,237,256
Graphic copy of a USGS-generated Brazos River inundation map.
Graphic copy of a USGS-generated Brazos River inundation map.
This is a geiger mode lidar image colored by elevation over Cook County, Illinois
This is a geiger mode lidar image colored by elevation over Cook County, Illinois
Lidar point cloud image of USGS headquarters building in Reston, VA, shaded by elevation
Lidar point cloud image of USGS headquarters building in Reston, VA, shaded by elevation
Lidar point cloud image of USGS headquarters building in Reston, VA, shaded by RGB values from orthophotos
Lidar point cloud image of USGS headquarters building in Reston, VA, shaded by RGB values from orthophotos
Earth MRI - Western Alaska Range
Dark Hollow Falls - Shenandoah National Park, VA
Dark Hollow Falls - Shenandoah National Park, VA
Figure 2: Zooming in to red rectangle A from figure 1. Points colored by laser intensity (blue = low intensity, red = high intensity).
Figure 2: Zooming in to red rectangle A from figure 1. Points colored by laser intensity (blue = low intensity, red = high intensity).
Figure 3: Zooming in and rotating scene in 3D from figure 2. Points coloer by laser intensity (blue = low intensity, red = high intensity).
Figure 3: Zooming in and rotating scene in 3D from figure 2. Points coloer by laser intensity (blue = low intensity, red = high intensity).
This diagram depicts the Quaternary Stratigraphy of Cass County, Minnesota shown in six different cross sections located throughout Cass County, MN as indicated in the bottom right indicator map. These cross sections are representative of the materials to be encountered between the land surface and bedrock.
This diagram depicts the Quaternary Stratigraphy of Cass County, Minnesota shown in six different cross sections located throughout Cass County, MN as indicated in the bottom right indicator map. These cross sections are representative of the materials to be encountered between the land surface and bedrock.
Modern paleontology began with the 1858 discovery by William Parker Foulke at Haddonfield, New Jersey of the nearly complete skeleton of a dinosaur called Hadrosaurus.
Capital Trenton
Image Source Landsat 8
Population 9,288,994
Modern paleontology began with the 1858 discovery by William Parker Foulke at Haddonfield, New Jersey of the nearly complete skeleton of a dinosaur called Hadrosaurus.
Capital Trenton
Image Source Landsat 8
Population 9,288,994
Did you know that nearly 50 percent of the United States population lives within a 500-mile radius of Columbus, Ohio? Columbus is the state capital and Ohio’s largest city. It is also home to The Ohio State University.
Capital Columbus
Image Source Landsat 8
Did you know that nearly 50 percent of the United States population lives within a 500-mile radius of Columbus, Ohio? Columbus is the state capital and Ohio’s largest city. It is also home to The Ohio State University.
Capital Columbus
Image Source Landsat 8