The Odessa Record -

GRAND COULEE — Starting on July 13, the National Park Service will be conducting geotechnical work on the Spring Canyon boat launch seawall.

Core samples will be taken to evaluate the soil structure for future repairs of the existing seawall. During this time, the lower parking lot of the Spring Canyon boat launch will be closed for the staging of drilling equipment. The upper parking lot will remain open.

The public is asked to ensure that all vehicles are moved from the lower parking lot of the Spring Canyon boat launch no later than 12:01 am, July 13.

Visitors planning a multi-day tr...