1
||
2
||
3
||
4
||
5
||
6
||
7
||
8
||
9
||
10
||
11
||
12
||
13
||
14
||
15
||
16
||
17
||
18
||
19
||
20
|
Ethanol Storage Tanks
|
Carbon Dioxide Injection for Oil Recovery
|
Fermentation at Ethanol Plant
|
Open Mines, Asphalt Lake (Aerial)
|
Elk River Wind Farm
|
Suburban Landslide
|
Portland Cement Quarry
|
Big Brutus
|
Collapsed Mine Entry
|
Cattle Pasture and Wind Farm
|
Wind Farm
|
Ogallala Formation Caliche Pit
|
Gravel Pit
|
Water-Filled Trenches in Strip-Mined Land
|
Oil Field Tanks
|
Pumpjack at Lindsborg Oil Field
|
National Gypsum Plant
|
Monarch Cement Company
|
1
||
2
||
3
||
4
||
5
||
6
||
7
||
8
||
9
||
10
||
11
||
12
||
13
||
14
||
15
||
16
||
17
||
18
||
19
||
20
|