Subjgrp 80. Official Cotton Standards of the United States for Length of Staple
- § 28.301 - Measurement: humidity; temperature.
- § 28.302 - Terms of designation.
- § 28.303 - Standards for length of staple for American upland cotton.
- § 28.304 - Original representation of American Pima cotton staple lengths.
- § 28.306 - Over 13/16 inch staple.
- § 28.307 - Bale of different staple lengths.