34th meridian west from Washington
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The 34th meridian west from Washington is an archaic meridian based on the Washington Meridian and hence 111°2′48.0″ West of Greenwich.[1] The meridian is most notably used as a boundary for four states. The east-west continental divide of North America crosses the 34th meridian at the tripoint between Idaho, Montana and Wyoming.
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/c/ce/Wpdms_idaho_territory_1864_legend_idx.png/220px-Wpdms_idaho_territory_1864_legend_idx.png)