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SIGN WARNS OF SUBMERGED PIPE LINE FROM THE HUMBLE NATURAL GAS INSTALLATION NARA .tif Scope and content General notes Local identifier DA Environmental Protection Agency NARAAuthor Messina John Photographer File SIGNWARNSOFSUBMERGEDPIPELINEFROMTHEHUMBLENATURALGASINSTALLATIONNARA tif tif File SIGNWARNSOFSUBMERGEDPIPELINEFROMTHEHUMBLENATURALGASINSTALLATIONNARA