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"Airport elevation 19 feet."
"Field surveys: March 1990."
"Airport elevation 11 feet."
"Airport elevation 47 feet."
"Airport elevation 1295 feet."
"Airport elevation 166 feet."
"Airport elevation 33 feet."
"Airport elevation 2778 feet."
"Airport elevation 6 feet."
Relief shown by spot heights.
"Airport elevation 2542 feet."