"Dry creek" refers to a stream or riverbed that does not have any water flowing through it. It is basically a dried-up river or stream. Full definition
There are no roads in this remote region, so Harmand was forced to drive in dry creek beds while Lewis navigated with a GPS device. (discovermagazine.com)
: According to one news report, the 6.0 earthquake reportedly allowed groundwater to surface in dry creek beds and streams. (wineindustryadvisor.com)