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open access

County Level Population Estimation Using Knowledge-Based Image Classification and Regression Models

This paper presents methods and results of county-level population estimation using Landsat Thematic Mapper (TM) images of Denton County and Collin County in Texas. Landsat TM images acquired in March 2000 were classified into residential and non-residential classes using maximum likelihood classification and knowledge-based classification methods. Accuracy assessment results from the classified image produced using knowledge-based classification and traditional supervised classification (maxim… more

Date: August 2010

Creator: Nepali, Anjeev

Item Type: Thesis or Dissertation

Portal to Texas History Newspaper OCR Text Dataset: McKinney

Dataset of OCR text from The Portal to Texas History and the Texas Digital Newspaper Program. This dataset includes titles from McKinney Texas from the years 1880 to 1936. Titles included in this dataset include: Collin County Mercury, McKinney Weekly Democrat-Gazette, The Daily Courier, The Daily Gazette, The Democrat, The Democrat-Gazette, The Lion Roar, The McKinney Advocate, The McKinney Examiner, The McKinney Gazette, The Semi-Weekly Courier, The Southern Jerseyite, and The Weekly Democr… more

Date: November 12, 2015

Creator: Phillips, Mark Edward

Item Type: Dataset

open access

Reconstruction in Collin County, Texas, 1865-1876

This is a work of local history examining the course of Reconstruction in Collin County, Texas. National and state level surveys of Reconstruction often overlook the experiences of communities in favor of simpler, broader narratives. The work proceeds chronologically, beginning with the close of the Civil War, and tells the story of Collin County as national Reconstruction progressed and relies on works of professional and non-academic historians, oral histories, census data, and newspapers to … more

Date: August 2015

Creator: Thompson, Jesse R.

Item Type: Thesis or Dissertation

Water Quality Corridor Management for Restoration (WQCM-R) Modeling Dataset

The dataset was developed to support research intended to develop a spatially-explicit model that prioritizes riparian areas in terms of potential for ecosystem restoration specifically to improve water quality downstream of the riparian area, and ultimately improve drinking water quality. The model was developed and then tested on the Lewisville Lake watershed (north central Texas, just north of Dallas, Texas, USA). The dataset contains environmental data for 90 sub-watersheds that form the ov… more

Date: June 10, 2019

Creator: Atkinson, Samuel F.