In the barren grasslands of Ziebach County, there's almost nothing harder to find in winter than a job.
This is America's poorest county, where more than 60 percent of people live at or below the poverty line.
At a time when the weak economy is squeezing communities across the US, recently released census figures show that nowhere are the numbers as bad as here - a county with 2,500 residents, most of them Cheyenne River Sioux Indians living on a reservation.
In the coldest months of the year, when seasonal construction work disappears and the South Dakota prairie freezes, unemployment among the Sioux can hit 90 percent.
Image: In this January 18, 2011, photo old vehicles are covered with snow outside a row of run-down houses in Eagle Butte, South Dakota.