Butterflies
Sidebar: How a sand mine dealt with its Karner blues
|
What one frac-sand mining company is doing to help protect Wisconsin’s endangered Karner blue butterfly.
Butterflies
Are frac sand miners failing to check for rare butterfly?
|
There’s a new wrinkle in Wisconsin’s fast-growing frac sand mining: It turns out that an endangered butterfly, the Karner blue, lives in the same region. And some companies may be failing to check for the butterfly as they move ahead with mining operations.