sentences:  Since the 1990s, archaeologists and historians have worked at the site with much of the research funded by The National Society of the Colonial Dames of America and other grants.Their work has helped with the ongoing restoration of the mansion to its appearance in 1844.Archaeologists have discovered the locations of the former dog kennels, poultry house, greenhouses, cisterns, the original Lanier home (which faced Elm Street) and the carriage house, of which, was reconstructed in 2003 on the original foundation.