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We request that users send us a copy of any publications, research reports, or educational material making use of the CPE data or documentation. For information on where to send your work, refer to the CPE systems staff page.
Please estimate the size of your extract and refrain from making any extract larger than 500 megabytes. If you need a larger extract, break it up into pieces and merge them later. For assistance in doing this, contact us at CPE systems staff.
