Surveyor General's Office. This map shows the Portland area in 1852 as the "township south of range east of the Willamette Meridian Territory". Created by the Surveyor Genera...
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Surveyor General's Office. This map shows the Portland area in 1852 as the "township north of range east of the Willamette Meridian Territory". Created by the Surveyor Genera...
This map shows the condition of development in Portland 1912 and the plan for future development of streets, parks, and business district. This is ...
Gothenberg Association. This map shows a proposed voters' initiative to limit liquor sales and bars to the downtown core of Portland.
2020. Matthew N. Hayek, Helen Harwatt, William J. Ripple, and Nathaniel D. Mueller. This multi-band raster data represents hectacres of pastureland that are currently occupied by feed crops. The pixel band ranges represent two esti...
Commission of Public Docks. This map shows locations of industrial facilities in 1921 including ports, principal industries, railroad and street car lines, public docks, lumbe...
J.W. Stengele and Jos. Schiffers. This map shows the process of renaming streets, adopted by Portland's City Council in 1892. Georeferenced using WGS 84- Pseudo Mercator. .
2009. Applied Science Associates and Geological Survey (U.S.). This raster layer contains the mean tidal current speed in the Massachusetts Ocean Partnership (MOP) planning area (and extended rectangular region...
Port of Portland. Map showing wharves along Portland's Willamette River issued by Port of Portland in February 1912. .
Edward H. Bennett and PDXscholar. This is a general diagram of transportation featured in the Greater Portland Plan 1912. Georeferenced using WGS 84-pseudo mercator. .
Edward H. Bennett. Diagram of highways radiating out from city center from the Greater Portland Plan of 1912. .
Edward H. Bennett. This map shows a street plan proposal by Edward H. Bennett, with diagonal streets, east-side business areas, and industry along the north riverfro...
A neighborhood by neighborhood map of the Home Owners' Loan Corporation (HOLC) records of zoning in regards to neighborhoods credit "worthiness" (r...
2010. Nature Conservancy (U.S.). This raster data layer was created as part of the Northwest Atlantic Marine Ecoregional Assessment. The Nature Conservancy developed this science-b...
1920. Research Data Services (RDS), Columbia University Libraries. This is a scanned version of the 1920 paper map entitled: A Map of Baltimore. The map was scanned at 300 dots per inch and is in the TIFF format. A. Hoen & Co.
1915. Research Data Services (RDS), Columbia University Libraries, New Jersey. Geological Survey., Kummel, Henry Barnard, b. 1867, Vermeule, C. C. (Cornelius Clarkson), 1858-1950, and Mead, Charles A. This is a scanned version of the 1915 paper map entitled: Railroad map of New Jersey published by the New Jersey Geological Survey. The map shows ... A. Hoen & Co., Lith.
1912. Research Data Services (RDS), Columbia University Libraries, Briesemeister, William A., American Museum of Natural History., and American Geographical Society of New York. This is a scanned version of the 1912 paper map entitled: Map of the Arctic Regions. The map was scanned at 300 dots per inch and is in the TIFF f... American Geographical Society.
2009. Geological Survey (U.S.) and Applied Science Associates. This raster layer contains the maximum (spring tide) current speed in the Massachusetts Ocean Partnership (MOP) planning area (and extended rectang... Applied Science Associates.
2009. Applied Science Associates. This raster layer set contains the maximum bottom shear stress based on maximum tidal current speed in the Massachusetts Ocean Partnership (MOP) pl... Applied Science Associates.
2009. Applied Science Associates. This raster layer contains the mean bottom shear stress based on mean tidal current speed in the Massachusetts Ocean Partnership (MOP) planning are... Applied Science Associates.
1942. Research Data Services (RDS), Columbia University Libraries, United States. Army. Corps of Engineers., United States. Army Map Service., and War Department, Corps of Engineers, U.S. Army. This is a scanned version of the 1942 paper map entitled: New York Area Metropolitan Transportation Map published by the United States Army Map Ser... Army Map Service, U.S. Army.
2000. International Steering Committee for Global Mapping (ISCGM), Australian Surveying and Land Information Group (AUSLIG), and Geographical Survey Institute. Australia Elevation is a Digital Elevation Model representing elevations throughout Australia at a resolution of 30 arc seconds. This layer is a c... Australian Surveying and Land Information Group (AUSLIG).
2000. International Steering Committee for Global Mapping (ISCGM), Australian Surveying and Land Information Group (AUSLIG), and Geographical Survey Institute. Australia Landcover is a raster theme representing land cover classifications throughout Australia at a resolution of 30 arc seconds. This layer i... Australian Surveying and Land Information Group (AUSLIG).
2000. International Steering Committee for Global Mapping (ISCGM), Australian Surveying and Land Information Group (AUSLIG), and Geographical Survey Institute. Australia Landuse is a raster theme representing landuse classifications throughout Australia at a resolution of 30 arc seconds. This layer is a c... Australian Surveying and Land Information Group (AUSLIG).
2000. International Steering Committee for Global Mapping (ISCGM), Australian Surveying and Land Information Group (AUSLIG), and Geographical Survey Institute. Australia Vegetation is a raster theme representing percentages of tree cover throughout Australia at a resolution of 30 arc seconds. This layer i... Australian Surveying and Land Information Group (AUSLIG).
2005. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This raster dataset depicts the annual precipitation by averaging monthly precipitation within the nine county San Francisco Bay Area Region, Calif... Bay Area Open Space Council.
2000. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This raster dataset depicts the fraction of sky obscured by clouds at 10:30am Pacific Standard Time on July 8 - September 30 between 2000-2006 in t... Bay Area Open Space Council.
2006. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This raster dataset depicts a final version of the Coarse Filter Vegetation Map as a 30 meter grid with 61 cover types, 51 of which are natural or ... Bay Area Open Space Council.
2006. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This raster dataset depicts a final version of the Coarse Filter Vegetation Map as a 30 meter grid with 61 cover types, 51 of which are natural or ... Bay Area Open Space Council.
2012. GreenInfo Network (Firm). This raster dataset depicts ocean fade for the coast of the San Francisco Bay Area, California, onto which other thematic data can be layered. This... Bay Area Open Space Council.
2011. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This raster dataset depicts a 30 meter resolution Digital Elevation Model (DEM) stitched together for the nine county San Francisco Bay Area Region... Bay Area Open Space Council.
2011. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This raster dataset depicts a 90 meter resolution Digital Elevation Model (DEM) stitched together for the nine county San Francisco Bay Area Region... Bay Area Open Space Council.
2011. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This raster dataset depicts National Overview Road Metrics - Euclidean Distance (NORM-ED) for the nine county San Francisco Bay Area Region, Califo... Bay Area Open Space Council.
2007. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, GreenInfo Network (Firm), and University of California, Riverside. College of Engineering. Center for Environmental Research and Technology. This raster dataset depicts dry nitrogen deposition for the nine county San Francisco Bay Area Region, California. Dry nitrogen deposition is the i... Bay Area Open Space Council.
2004. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). Wildfire can cause serious and long-lasting damage to ecosystems. Following National Fire Plan concepts, this raster dataset depicts the California... Bay Area Open Space Council.
2004. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This raster dataset depicts fire rotation class intervals calculated from 1950-2003 fire history on land areas grouped into strata based on fire en... Bay Area Open Space Council.
2004. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This raster dataset depicts fire threats as a combination of two factors for the nine county San Francisco Bay Area Region, California: 1) the like... Bay Area Open Space Council.
2004. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This raster dataset depicts a fuel assessment methodology developed by the California Fire Plan developed by the California Department of Forestry ... Bay Area Open Space Council.
2005. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This raster dataset depicts climatic stratification used to differentiate the approximately one million acres identified as Annual Grasslands in th... Bay Area Open Space Council.
2011. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This raster dataset depicts a habitat suitability analysis using the California Department of Fish and Wildlife (CDFW) California Wildlife Habitat ... Bay Area Open Space Council.
2005. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This raster dataset depicts the minimum January temperature for the nine county San Francisco Bay Area Region, California in 2005. This data was pr... Bay Area Open Space Council.
2005. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This raster dataset depicts the maximum July temperature for the nine county San Francisco Bay Area Region, California in 2005. This data was prima... Bay Area Open Space Council.
2006. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This raster dataset depicts a final version of the Coarse Filter Vegetation Map as a 30 meter grid with 61 cover types, 51 of which are natural or ... Bay Area Open Space Council.
2011. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This raster dataset was derived from the 30 meter resolution Digital Elevation Model layer and depicts percent slope across the nine county San Fra... Bay Area Open Space Council.
2000. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This raster dataset depicts the population denisty of the nine county San Francisco Bay Area Region, California produced with a Dasymetric Mapping ... Bay Area Open Space Council.
2004. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This raster dataset depicts the California Department of Forestry and Fire Protection Fire Resource and Assessment Program's (FRAP) best estimate o... Bay Area Open Space Council.
47. Rural Residential Vegetation Types: San Francisco Bay Area and Santa Cruz County, California, 2011
2011. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This raster dataset depicts a final version of the Coarse Filter Vegetation Map as a 30 meter grid with 61 cover types, 51 of which are natural or ... Bay Area Open Space Council.
2011. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This raster dataset depicts hillshade for the nine county San Francisco Bay Area Regon, California and was derived from the 30 meter resolution Dig... Bay Area Open Space Council.
2011. Bay Area Open Space Council. This raster dataset depicts a 150 meter resolution shaded surface relief of California. This hillshade was generated by GreenInfo Network and was c... Bay Area Open Space Council.
2007. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, GreenInfo Network (Firm), and University of California, Riverside. College of Engineering. Center for Environmental Research and Technology. This raster dataset depicts a geography of nitrogen deposition for the nine county San Francisco Bay Area Region, California. Nitrogen deposition i... Bay Area Open Space Council.