File Broadway Mall (assumed), Downtown Schenectady, Alternate Site, blueprint of aerial photograph, ca. 1981 Oversized 1, Folder 2 Repository New York State Modern Political Archive » Society for the Preservation of Water Resources Records, 1918-1999, bulk 1981-1999 » Maps, Photographs, Drawings, 1975, 1978-1982
File Broadway Mall, Downtown Site Development, 4 sheets, 18 May 1979 Oversized 1, Folder 3 Repository New York State Modern Political Archive » Society for the Preservation of Water Resources Records, 1918-1999, bulk 1981-1999 » Maps, Photographs, Drawings, 1975, 1978-1982
File Great Flats, Flood Levels, flipcharts (hand drawn charts and maps) by J. Duccan, ca. 1981 Oversized 1, Folder 4 Repository New York State Modern Political Archive » Society for the Preservation of Water Resources Records, 1918-1999, bulk 1981-1999 » Maps, Photographs, Drawings, 1975, 1978-1982
File Great Flats, Flood Storage Volume, manuscript map on graph paper, areas planimetered by John Kagay, ca. 1981 Oversized 1, Folder 5 Repository New York State Modern Political Archive » Society for the Preservation of Water Resources Records, 1918-1999, bulk 1981-1999 » Maps, Photographs, Drawings, 1975, 1978-1982
File Great Flats, Portions of Randall Sheets No. 23, 24, 25, 46, 47, 48, composite topographic map by C.T. Male Associates, P.C., 1978 December Oversized 1, Folder 6 Repository New York State Modern Political Archive » Society for the Preservation of Water Resources Records, 1918-1999, bulk 1981-1999 » Maps, Photographs, Drawings, 1975, 1978-1982
File Rotterdam Square, blueprint maps by Haley and Aldrich, Inc., 1981 June Oversized 1, Folder 7 Repository New York State Modern Political Archive » Society for the Preservation of Water Resources Records, 1918-1999, bulk 1981-1999 » Maps, Photographs, Drawings, 1975, 1978-1982
File a. Groundwater Flow in Delta Sand Deposits (Fig. 8A), Undated Repository New York State Modern Political Archive » Society for the Preservation of Water Resources Records, 1918-1999, bulk 1981-1999 » Maps, Photographs, Drawings, 1975, 1978-1982
File b. Thickness of Near-Surfaces Low-Permeability Soil (Fig. 9A), Undated Repository New York State Modern Political Archive » Society for the Preservation of Water Resources Records, 1918-1999, bulk 1981-1999 » Maps, Photographs, Drawings, 1975, 1978-1982
File c. Piexometric Contours and Groundwater Flow Pattern (Fig. 7A), Undated Repository New York State Modern Political Archive » Society for the Preservation of Water Resources Records, 1918-1999, bulk 1981-1999 » Maps, Photographs, Drawings, 1975, 1978-1982
File d. Site Area and Subsurface Explorations (Fig. 2A), Undated Repository New York State Modern Political Archive » Society for the Preservation of Water Resources Records, 1918-1999, bulk 1981-1999 » Maps, Photographs, Drawings, 1975, 1978-1982