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Service Description: This map document provides access to data from the Natural Resources Conservation Service’s Soil Survey Geographic (SSURGO) Database. The data can be retrieved as Map Packages for individual hydrologic subbasins by clicking on a subbasin and then clicking the download link in the pop-up window. Data are delivered as an Esri Map Package containing the SSUGRO mapunit polygons and the outline of the hydrologic subbasin. A folder containing layer files for use in symbolizing the data is also included with the map package. The soil data are contained in a feature class created from the SSURGO mapunit polygons, mapunit table, legend table, mapunit aggregate attribute table (muaggatt table), and component table combined into a single table. The subbasin boundary is from the Watershed Boundary Dataset. For documentation of the SSURGO dataset see: http://soils.usda.gov/survey/geography/ssurgo/ For documentation of the Watershed Boundary Dataset see: http://www.nrcs.usda.gov/wps/portal/nrcs/main/national/water/watersheds/dataset Listed below are the attributes included in this map listed by their SSURGO table: Mapunit Polygons: Survey Area Spatial Version Mapunit Symbol Mapunit Key National Mapunit Symbol Mapunit Table: Mapunit Name Mapunit Kind Farmland Class Highly Erodible Lands Classification - Wind and Water Highly Erodible Lands Classification – Water Highly Erodible Lands Classification – Wind Interpretive Focus Intensity of Mapping Legend Key Mapunit Sequence Iowa Corn Suitability Rating Legend Table: Project Scale Tabular Version MUAGGATT Table: Slope Gradient - Dominant Component Slope Gradient - Weighted Average Bedrock Depth – Minimum Water Table Depth - Annual Minimum Water Table Depth - April to June Minimum Flooding Frequency - Dominant Condition Flooding Frequency – Maximum Ponding Frequency – Presence Available Water Storage 0-25 cm - Weighted Average Available Water Storage 0-50 cm - Weighted Average Available Water Storage 0-100 cm - Weighted Average Available Water Storage 0-150 cm - Weighted Average Drainage Class - Dominant Condition Drainage Class – Wettest Hydrologic Group - Dominant Condition Irrigated Capability Class - Dominant Condition Irrigated Capability Class - Proportion of Mapunit with Dominant Condition Non-Irrigated Capability Class - Dominant Condition Non-Irrigated Capability Class - Proportion of Mapunit with Dominant Condition Rating for Buildings without Basements - Dominant Condition Rating for Buildings with Basements - Dominant Condition Rating for Buildings with Basements - Least Limiting Rating for Buildings with Basements - Most Limiting Rating for Septic Tank Absorption Fields - Dominant Condition Rating for Septic Tank Absorption Fields - Least Limiting Rating for Septic Tank Absorption Fields - Most Limiting Rating for Sewage Lagoons - Dominant Condition Rating for Sewage Lagoons - Dominant Component Rating for Roads and Streets - Dominant Condition Rating for Sand Source - Dominant Condition Rating for Sand Source - Most Probable Rating for Paths and Trails - Dominant Condition Rating for Paths and Trails - Weighted Average Erosion Hazard of Forest Roads and Trails - Dominant Component Hydric Classification – Presence Rating for Manure and Food Processing Waste - Weighted Average Component Table – Weighted Average: Mean Annual Air Temperature - High Value Mean Annual Air Temperature - Low Value Mean Annual Air Temperature - Representative Value Albedo - High Value Albedo - Low Value Albedo - Representative Value Crop Production Index Elevation - High Value Elevation - Low Value Elevation - Representative Value Days between Last and First Frost - High Value Days between Last and First Frost - Low Value Days between Last and First Frost - Representative Value Initial Subsidence - High Value Initial Subsidence - Low Value Initial Subsidence - Representative Value Mean Annual Precipitation - High Value Mean Annual Precipitation - Low Value Mean Annual Precipitation - Representative Value Range Forage Annual Potential Production - High Value Range Forage Annual Potential Production - Low Value Range Forage Annual Potential Production - Representative Value Slope - High Value Slope - Low Value Slope - Representative Value Slope Length - High Value Slope Length - Low Value Slope Length - Representative Value Total Subsidence - High Value Total Subsidence - Low Value Total Subsidence - Representative Value Component Table – Dominant Component: Component Key Component Percentage - Low Value Component Percentage - Representative Value Component Percentage - High Value Component Name Component Kind Other Criteria Used to Identify Components Criteria Used to Identify Components at the Local Level Runoff Soil Loss Tolerance Factor Wind Erodibility Index Wind Erodibility Group Erosion Class Earth Cover 1 Earth Cover 2 Hydric Condition Aspect Range - Counter Clockwise Limit Aspect - Representative Value Aspect Range - Clockwise Limit Geomorphic Description Non-Irrigated Capability Subclass Non-Irrigated Unit Capability Class Irrigated Capability Subclass Irrigated Unit Capability Class Conservation Tree Shrub Group Forage Suitability Group Grain Wildlife Habitat Grass Wildlife Habitat Herbaceous Wildlife Habitat Shrub Wildlife Habitat Conifer Wildlife Habitat Hardwood Wildlife Habitat Wetland Wildlife Habitat Shallow Water Wildlife Habitat Rangeland Wildlife Habitat Openland Wildlife Habitat Woodland Wildlife Habitat Wetland Wildlife Habitat Soil Slip Potential Susceptibility to Frost Heaving Concrete Corrosion Steel Corrosion Taxonomic Class Name Order Suborder Great Group Subgroup Particle Size Particle Size Modifier Cation Exchange Activity Class Carbonate Reaction Temperature Class Moisture Subclass Soil Temperature Regime Edition of Keys to Soil Taxonomy Used to Classify Soil Esri generated field for Symbology: Map Symbol The data were processed by Esri the weighted average and dominant component values from the component table were calculated using custom Python scripts. The tables were joined and field aliases and indexes were added. A field named Map Symbol was added and populated with random integers from 1-10 for use in Map Package symbology. This map package was created on 10-08-2012.

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Copyright Text: SSURGO data provided to esri September 2011 by US Natural Resources Conservation Service, Fort Worth, TX. Alan Price, Steve Nechero and Jennifer Sweet provided assistance. SSURGO Data Citation: Soil Survey Staff, US Natural Resources Conservation Service, US Department of Agriculture. Soil Survey Geographic (SSURGO) Database. Available online at http://soildatamart.nrcs.usda.gov.

Spatial Reference: 4269  (4269)


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Document Info:

Title: Esri's SSURGO Map Units for the Lower Willamette Subbasin
Author: Richard Nauman (rnauman@esri.com), Michael Dangermond (mdangermond@esri.com), Charlie Frye (cfrye@esri.com)
Comments: This map document provides access to data from the Natural Resources Conservation Service’s Soil Survey Geographic (SSURGO) Database. The data can be retrieved as Map Packages for individual hydrologic subbasins by clicking on a subbasin and then clicking the download link in the pop-up window. Data are delivered as an Esri Map Package containing the SSUGRO mapunit polygons and the outline of the hydrologic subbasin. A folder containing layer files for use in symbolizing the data is also included with the map package. The soil data are contained in a feature class created from the SSURGO mapunit polygons, mapunit table, legend table, mapunit aggregate attribute table (muaggatt table), and component table combined into a single table. The subbasin boundary is from the Watershed Boundary Dataset. For documentation of the SSURGO dataset see: http://soils.usda.gov/survey/geography/ssurgo/ For documentation of the Watershed Boundary Dataset see: http://www.nrcs.usda.gov/wps/portal/nrcs/main/national/water/watersheds/dataset Listed below are the attributes included in this map listed by their SSURGO table: Mapunit Polygons: Survey Area Spatial Version Mapunit Symbol Mapunit Key National Mapunit Symbol Mapunit Table: Mapunit Name Mapunit Kind Farmland Class Highly Erodible Lands Classification - Wind and Water Highly Erodible Lands Classification – Water Highly Erodible Lands Classification – Wind Interpretive Focus Intensity of Mapping Legend Key Mapunit Sequence Iowa Corn Suitability Rating Legend Table: Project Scale Tabular Version MUAGGATT Table: Slope Gradient - Dominant Component Slope Gradient - Weighted Average Bedrock Depth – Minimum Water Table Depth - Annual Minimum Water Table Depth - April to June Minimum Flooding Frequency - Dominant Condition Flooding Frequency – Maximum Ponding Frequency – Presence Available Water Storage 0-25 cm - Weighted Average Available Water Storage 0-50 cm - Weighted Average Available Water Storage 0-100 cm - Weighted Average Available Water Storage 0-150 cm - Weighted Average Drainage Class - Dominant Condition Drainage Class – Wettest Hydrologic Group - Dominant Condition Irrigated Capability Class - Dominant Condition Irrigated Capability Class - Proportion of Mapunit with Dominant Condition Non-Irrigated Capability Class - Dominant Condition Non-Irrigated Capability Class - Proportion of Mapunit with Dominant Condition Rating for Buildings without Basements - Dominant Condition Rating for Buildings with Basements - Dominant Condition Rating for Buildings with Basements - Least Limiting Rating for Buildings with Basements - Most Limiting Rating for Septic Tank Absorption Fields - Dominant Condition Rating for Septic Tank Absorption Fields - Least Limiting Rating for Septic Tank Absorption Fields - Most Limiting Rating for Sewage Lagoons - Dominant Condition Rating for Sewage Lagoons - Dominant Component Rating for Roads and Streets - Dominant Condition Rating for Sand Source - Dominant Condition Rating for Sand Source - Most Probable Rating for Paths and Trails - Dominant Condition Rating for Paths and Trails - Weighted Average Erosion Hazard of Forest Roads and Trails - Dominant Component Hydric Classification – Presence Rating for Manure and Food Processing Waste - Weighted Average Component Table – Weighted Average: Mean Annual Air Temperature - High Value Mean Annual Air Temperature - Low Value Mean Annual Air Temperature - Representative Value Albedo - High Value Albedo - Low Value Albedo - Representative Value Crop Production Index Elevation - High Value Elevation - Low Value Elevation - Representative Value Days between Last and First Frost - High Value Days between Last and First Frost - Low Value Days between Last and First Frost - Representative Value Initial Subsidence - High Value Initial Subsidence - Low Value Initial Subsidence - Representative Value Mean Annual Precipitation - High Value Mean Annual Precipitation - Low Value Mean Annual Precipitation - Representative Value Range Forage Annual Potential Production - High Value Range Forage Annual Potential Production - Low Value Range Forage Annual Potential Production - Representative Value Slope - High Value Slope - Low Value Slope - Representative Value Slope Length - High Value Slope Length - Low Value Slope Length - Representative Value Total Subsidence - High Value Total Subsidence - Low Value Total Subsidence - Representative Value Component Table – Dominant Component: Component Key Component Percentage - Low Value Component Percentage - Representative Value Component Percentage - High Value Component Name Component Kind Other Criteria Used to Identify Components Criteria Used to Identify Components at the Local Level Runoff Soil Loss Tolerance Factor Wind Erodibility Index Wind Erodibility Group Erosion Class Earth Cover 1 Earth Cover 2 Hydric Condition Aspect Range - Counter Clockwise Limit Aspect - Representative Value Aspect Range - Clockwise Limit Geomorphic Description Non-Irrigated Capability Subclass Non-Irrigated Unit Capability Class Irrigated Capability Subclass Irrigated Unit Capability Class Conservation Tree Shrub Group Forage Suitability Group Grain Wildlife Habitat Grass Wildlife Habitat Herbaceous Wildlife Habitat Shrub Wildlife Habitat Conifer Wildlife Habitat Hardwood Wildlife Habitat Wetland Wildlife Habitat Shallow Water Wildlife Habitat Rangeland Wildlife Habitat Openland Wildlife Habitat Woodland Wildlife Habitat Wetland Wildlife Habitat Soil Slip Potential Susceptibility to Frost Heaving Concrete Corrosion Steel Corrosion Taxonomic Class Name Order Suborder Great Group Subgroup Particle Size Particle Size Modifier Cation Exchange Activity Class Carbonate Reaction Temperature Class Moisture Subclass Soil Temperature Regime Edition of Keys to Soil Taxonomy Used to Classify Soil Esri generated field for Symbology: Map Symbol The data were processed by Esri the weighted average and dominant component values from the component table were calculated using custom Python scripts. The tables were joined and field aliases and indexes were added. A field named Map Symbol was added and populated with random integers from 1-10 for use in Map Package symbology. This map package was created on 10-08-2012.
Subject: Soil data from the Soil Survey Geographic Database (SSURGO) mapunit polygons layer, mapunit table, mapunit aggregate attribute table, and component table for the Lower Willamette Subbasin.
Category:
Keywords: SSURGO,Soil Survey Geographic Database,NRCS,Natural Resources Conservation Service,Soil,Soils,Soils for the Lower Willamette Subbasin
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