LC Subject Heading: Building construction - Maine--Portland
Item 173
Notes related to the construction of the Portland Observatory, ca. 1807
Contributed by: Maine Historical Society Date: circa 1807 Location: Portland Media: Ink on paper, color transparency
Item 177
Observatory timber contract, Portland, 1807
Contributed by: Maine Historical Society Date: 1807-04-08 Location: Portland Media: Ink on paper