Article IV - Deliverables A. Letter Progess Reports The contractor shsll prepare and submit two letter progress reports not to exceed five pages in length. Each of these reports shall: 1. completion. Identify project status, including an estimation of percentage 2. Report expenditures in period of report and cuputetively and explain deviations from estimsted expenditure levels; and 3. Summarize work performed; accouplistments; and problems encountered during period of report; plans for succeeding period; and actions requested for the Department of the Interior. These reports shall be submitted six (6) copies, five to the Contrecting Officer's Technical Representative (COIR) and one to the Branch of Contracts. Delivery: B. Not later than the 4th week and the 5th week of the contract. Detailed Work Plan After gathering and assimilating relevant available information on the subject of this work effort, the contractor shall prepare a detailed sentence outline of the final report. This shall be submitted to the Departeentof es. the Interior for review and comment in eix (6) copies es indicated in A above. The COTR will reply by approving or recommending wodifications to the outline within two (2) weeks of its receipt. If necessary the COTR ary request a meeting with key contractor personnel during the two-week period to discuss the propesed detailed outline. Delivery: Three weeks after contract avard.