Keywords: Houston sign, Houston, Minnesota.jpg Uploaded with en wp UW marker 2012 09 02 Built in the 1930's by the Civilian Conservation Corps 24 foot tall letters built of local boulders and whitewashed It was set as an aerial landmark Helicopter ride picture 2012-07-26 Dragsno ;Other information The letters in the sign have been permanently cemented Over the years they had been rearranged several times In 1980 after the Iran hostage situation it was changed to TEHRAN Before the local Houston Hoedown Days Celebration local citizens saw the sign rearranged to say STONED cc-zero Houston Whitewash |