URLDate
Verified		Extra Software
Requirements
(if any)		Access
Conditions		Notes
http://archive.lib.msu.edu/tic/wetrt/article/2017f[...]08/04/2017PDF ReaderItem is within a single large file
http://digital.landscapemanagement.net/feb2017#&pa[...]03/08/2017Item is within a limited-access websiteItem is within a single large file
http://landscapemanagement.net/advancements-in-tre[...]03/08/2017Variant date March 6, 2017; variant title "Advancements in trencher technology help contractors get more done"