Marvin L. Collins, employee of the city water works in Montgomery, Alabama, receiving a "Certificate of Competency" as a sewage treatment plant operator from the Alabama Water and Sewage Association.
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| Format: | Electronic |
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Alabama Department of Archives and History
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| Online Access: | http://cdm17217.contentdm.oclc.org/cdm/ref/collection/photo/id/25011 |