4 resultados para Superficial waters and cyanobacteria

em Harvard University


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Two bills for the date spans February 23-June 1, 1797 and August 24, 1797. The workers named on both bills are Richard Hunnewell, Peter Waters, and Betsy Thomas.

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One bill for the date span August 30-November 30, 1798. The workers named on the bill are Richard Hunnewell, James Fillebrown, Peter Waters, and Elizabeth Thomas.

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One bill for the date span November 29, 1798-February 22, 1799. The workers named on the bill are James Fillebrown, Peter Waters, and Betsy Thomas.

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This layer is a georeferenced raster image of the historic paper map entitled: A plan of those parts of Boston and the towns in its vicinity : with the waters and flats adjacent which are immediately or remotely connected with the contemplated design of erecting perpetual tide-mills, published by Benjamin Dearborn, 1814. It was originally issued with Massachusetts House Document no. 18 of June 1814 -- petitions to incorporate Boston and Roxbury Mill Corp. Scale [1:15,840]. Covers portions of Boston, Brookline, Cambridge, and Somerville. The image inside the map neatline is georeferenced to the surface of the earth and fit to the Massachusetts State Plane Coordinate System, Mainland Zone (in Feet) (Fipszone 2001). All map collar and inset information is also available as part of the raster image, including any inset maps, profiles, statistical tables, directories, text, illustrations, or other information associated with the principal map. This map shows features such as selected roads (existing and proposed), propsosed tide mills and dams, drainage, canals, bridges, and more. This layer is part of a selection of digitally scanned and georeferenced historic maps of Massachusetts from the Harvard Map Collection. These maps typically portray both natural and manmade features. The selection represents a range of regions, originators, ground condition dates (1755-1922), scales, and purposes. The digitized selection includes maps of: the state, Massachusetts counties, town surveys, coastal features, real property, parks, cemeteries, railroads, roads, public works projects, etc.