Page Navigation: To interact with the LTSEs map, zoom in/out using your mouse scroll wheel, by adjusting the zoom setting (located among the navigation tools in the upper left portion of the map), or by double clicking on a part of the map that is not a pushpin. To move the map, click and drag the map or use the arrows located among the navigation tools. Summary information about each LTSE can be viewed by clicking on its pushpin on the map. This will pop out a text box containing summary information; more detailed information about each LTSE can be viewed by clicking on the name of the LTSE within its summary text box. Detailed information about any LTSE can also be viewed by clicking its title in the table below, which can be sorted according to its column headers (click up or down arrows to sort ascending or descending).
Map Legend
IATier IA LTSE LTSE with sample archive >40 years
ITier I LTSE LTSE >40 years
IIATier IIA LTSE LTSE with sample archive 20 to 40 years
IITier II LTSE LTSE 20 to 40 years
IIITier III LTSE LTSE and sample archive <20 years or ltse has been terminated
TitleContact PersonYear BeganYear EndedLatitudeLongitudeWebsiteData ArchiveLTSE ID