2017. Murphy, Brendan and Owen, Andrew. This data was created as part of a study that examined the accessibility to jobs by biking in the 50 largest (by population) metropolitan areas in ...
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2014. Owen, Andrew and Levinson, David M. This data was created as part of a study that examined the accessibility to jobs by transit in 46 of the 50 largest (by population) metropolitan ar...
2016. Murphy, Brendan and Owen, Andrew. This data was created as part of a study that examined the accessibility to jobs by transit in 46 of the 50 largest (by population) metropolitan ar...
2017. Murphy, Brendan and Owen, Andrew. This data was created as part of a study that examined the accessibility to jobs by transit in 46 of the 50 largest (by population) metropolitan ar...
2018. Murphy, Brendan and Owen, Andrew. This data was created as part of a study that examined the accessibility to jobs by transit in 46 of the 50 largest (by population) metropolitan ar...
2015. Murphy, Brendan and Owen, Andrew. This data was created as part of a study that examined the accessibility to jobs by transit in 46 of the 50 largest (by population) metropolitan ar...
2014. Murphy, Brendan, Levinson, David M, and Owen, Andrew. This data was created as part of a study that examined the accessibility to jobs by walking in the 53 largest (by population) metropolitan areas in...
1901. Geological Survey (U.S.). Relief shown by contours.; "Reconnaissance map."; "Survey in 1888."; "Engraved Oct 1891 by U.S.G.S."; Shows roads, and railroads.; Text on verso. 4... The Survey (Washington, D.C).
1909. Geological Survey (U.S.). Relief shown by contours and spot heights.; "Control by Coast and Geodetic Survey."; "Surveyed in 1906-1907. Edition of May 1909, reprinted 1921. A... The Survey (Washington).
1924. Geological Survey (U.S.). Relief shown by contours and spot heights.; "Surveyed in 1903 and 1923."; "State of Colorado, William E. Sweet, Governor ..." on sheet 59 x 84 cent... The Survey (Washington, D.C).