Letter – Subject: Longhorn Army Ammunition Plant, Group 2 – Interim Remedial Action at Landfill Sites 12 and 16, Revisions to the Final Work Plans: Drawings & Specifications letter – Subject: longhorn Army Ammunition Plant, Group 2 – Time Critical Removal Action (TCRA) at Landfill Site 16, Dispute Resolution Process Sites(s): 16 (Old landfill) Memorandum – Subject Draft Final Site Characterization Investigation Report for the Group 5 Sites (50, 52, 60, and 63), Site Investigation at the Longhorn Army Ammunition Plant, Karnack, Texas, October 1996