- Sort:
- Most Popular | Most Recent
-
The Berkeley Pit, a former open pit copper mine in Butte, Montana, is approximately 1 mile long and 1/2 mile wide. When mining operations ceased, all dewatering activities also ceased. Consequently, the pit continues to fill with groundwater. The water in the pit is acidic and contains high concentrations of certain ...
-
-
Stats
- Favorites
- 1
- Comments
- 1
- Snapshots
- 3
- Total Views
- 1782
- Explore Score
- 40
-
-
This image captures the view of Winona, Minnesota and the surrounding area from Garvin Park, atop the bluff overlooking Huff Street. The panorama was taken in June 2009.
-
-
Stats
- Favorites
- 0
- Comments
- 2
- Snapshots
- 27
- Total Views
- 10612
- Explore Score
- 34
-
-
Impact breccia at Field Trip Stop 6. These 1.85 Ga deformed rocks near the Gunflint Trail in northern Minnesota are the result of a mateorite impact in Sudbury, Ontario, more than 650km (400 miles) away.
-
Stats
- Favorites
- 3
- Comments
- 1
- Snapshots
- 0
- Total Views
- 389
- Explore Score
- 5
-
The view from the Virginia Monument at Seminary Ridge looking east toward Cemetery Ridge. The field between the two ridges was the site of Pickett's Charge, General Robert E. Lee's last gamble at Gettysburg.
-
-
Stats
- Favorites
- 0
- Comments
- 1
- Snapshots
- 4
- Total Views
- 3209
- Explore Score
- 1
-
-
-
-
Stats
- Favorites
- 0
- Comments
- 0
- Snapshots
- 4
- Total Views
- 1415
- Explore Score
- 1
-
-
-
-
Stats
- Favorites
- 0
- Comments
- 0
- Snapshots
- 2
- Total Views
- 1405
- Explore Score
- 1
-
-
-
-
Stats
- Favorites
- 0
- Comments
- 0
- Snapshots
- 4
- Total Views
- 1211
- Explore Score
- 1
-
-
-
-
Stats
- Favorites
- 0
- Comments
- 0
- Snapshots
- 1
- Total Views
- 1200
- Explore Score
- 1
-
-
-
-
Stats
- Favorites
- 0
- Comments
- 0
- Snapshots
- 10
- Total Views
- 1135
- Explore Score
- 1
-
-
-
-
Stats
- Favorites
- 0
- Comments
- 0
- Snapshots
- 3
- Total Views
- 1075
- Explore Score
- 1
-