Effective April 7, 2017 at 10:00 am CDT, the ability to request Surface Reflectance and other Higher-Level data processing for all Landsat 4-5 TM, Landsat 7 ETM+, and Landsat 8 OLI/TIRS Pre-Collection scenes will no longer be supported by the EROS Science Processing Architecture (ESPA) Interface. ESPA Pre-Collection orders placed through April 7 will be processed and completed. In addition, Pre-Collection Surface Reflectance datasets will also be removed from EarthExplorer at this time.
We apologize for this short notice and any inconvenience this may cause. Please contact USGS Customer Services if you have any questions or concerns regarding this announcement.