**The National Park Service anticipates Posting the Invitation For Bid (Solicitation) for this project approximately 4/30/26)** This project is to Maintain 7 miles of gravel roadway at Lake Mead NRA. ... **The National Park Service anticipates Posting the Invitation For Bid (Solicitation) for this project approximately 4/30/26)** This project is to Maintain 7 miles of gravel roadway at Lake Mead NRA. Grade/maintain every 5 weeks. Provide Class II road base and be available for emergency repairs during/after storm events.