نتایج جستجو برای: railroads

تعداد نتایج: 583  

2017
Finn Hedefalk Patrick Svensson Lars Harrie

This paper presents datasets that enable historical longitudinal studies of micro-level geographic factors in a rural setting. These types of datasets are new, as historical demography studies have generally failed to properly include the micro-level geographic factors. Our datasets describe the geography over five Swedish rural parishes, and by linking them to a longitudinal demographic databa...

Journal: :Accident; analysis and prevention 2004
Edward K Morlok Bradley F Nitzberg Lee Lai

Commuter railroad systems in the US employ three combinations of station platforms and car entranceways. These are high-level platforms with remotely controlled doors and level entranceway (HL-RC), low-level platforms (just above the rail) with steps and remotely controlled doors (LL-RC), and a mixture of the two platform types with a correspondingly more complex, partly manual, door and entran...

Journal: :The ANNALS of the American Academy of Political and Social Science 1918

Journal: :Journal of Political Economy 1913

Journal: :The Review of Economics and Statistics 2017

Journal: :The American Historical Review 2000

Journal: :Journal of Political Economy 1913

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