The BLM OR Sustained Yield Units Map Service represents Sustained Yield Unit (SYU) boundaries within western Oregon. This data is primarily used as the basic unit for calculating and declaring the allowable sale quantity (ASQ) for Western Oregon BLM as required in the O&C Act of 1937. The SYU forms the boundary in which all harvest scheduling and growth and yield projections will be calculated. This is often done in conjunction with the development of a Resource Management Plan (RMP) but may be done independently. For a complete description of the data, consult the Sustained Yield Units Data Standard at: https://www.blm.gov/about/data/oregon-data-management.

The BLM OR Sustained Yield Units Map Service is created from sustained_yield_units.gdb\SYU_POLY. This map service does not have scale dependencies.

The BLM OR Sustained Yield Units Map Service represents Sustained Yield Unit (SYU) boundaries within western Oregon. This data is primarily used as the basic unit for calculating and declaring the allowable sale quantity (ASQ) for Western Oregon BLM as required in the O&C Act of 1937. The SYU forms the boundary in which all harvest scheduling and growth and yield projections will be calculated. This is often done in conjunction with the development of a Resource Management Plan (RMP) but may be done independently. For a complete description of the data, consult the Sustained Yield Units Data Standard at: https://www.blm.gov/about/data/oregon-data-management.

The BLM OR Sustained Yield Units Map Service is created from sustained_yield_units.gdb\SYU_POLY. This map service does not have scale dependencies.