What is a green sheet?
A green sheet was a form entitled Digital Data Processing Record that accompanied a 9-track tape when it was submitted to the Data Library for archive. Originally, the green sheet was printed on a pale green paper stock and hence it’s nickname. The green sheets were designed to provide information about the specific tape for future reference and each tape submitted to the Data Library was to be accompanied with a green sheet. The form was designed to include information such as when, how and on what computer system the tape was created as well as tape density, data format, and processing, if any, the data may have undergone. The intent of the green sheets was to have the person responsible for creating the tape document it adequately and to provide the Data Library with significant information about the tape so the tape, when accessed in the future, would prove useful. Unfortunately not all archived tapes have a green sheet. The green sheets that could be located for the transcribed ta
