Aims. The primary aim of this randomized, controlled, blinded clinical trial was to compare the clinical and histologic results of ridge augmentation comparing a cancellous block allograft to a particulate mineralized freeze dried bone allograft...
Aim. To compare two techniques of ridge preservation using a mineralized cancellous particulate allograft to a mineralized cortical particulate allograft plus an acelluar dermal matrix barrier membrane using clinical and histologic data to assess...
Stern wheelers; Tugboats; Steamboats; Howard Ship Yards and Dock Company
Distant starboard side view of towboat VEGA, tied to the bank of the Ohio River at Howard Shipyard. VEGA, a stern-wheel towboat with wood hull (104 ft. x 17 ft. x 3.3 ft.), was built at Howard in 1901. Owned by the U.S. Army Corps of Engineers,...
