U.S. flag

An official website of the United States government

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.


Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Regression Information (ZIP) from the HCLS Benchmarks Implementation Order.

Soil Texture Index and Climate Index (ZIP) used in HCLS Benchmarks Implementation Order Regressions.

HCLS Benchmarks Implementation Order Waiver Shapefile Template (ZIP).

Map Showing Study Area Boundaries used in HCLS Benchmarks Implementation Order Regressions.

Cross Reference (Excel) linking Operating Company Number/State (OcnSt) to Study Area.

Geospatial Data Creation Algorithms (ZIP) for HCLS Regressions.

Geographic Variable Values (Excel) for carriers with study area boundary waivers approved after March 26, 2013 (posted 7/13).

Friday, March 7, 2014