AASHTO M 91-05 is identical to ASTM C32-05 except provisions specified in this document.
AASHTO M 91-07
Original price was: $121.00.$60.00Current price is: $60.00.
Standard Specification for Sewer and Manhole Brick (Made from Clay or Shale) (ASTM Designation: C32-05)
American Association of State Highway and Transportation Officials , 08/01/2007