Blast Damages Browntown Si ca PlantAn explosion follows! by fire. destroyed the main lmUdinc of the Browntown Silica Co. Brownfrw?, Wta, n*»r*los* estimated by eo.np.ny off fal* atvcre in the h0i!dinp at the lime of the blast and they ran to safety. The plant ]h*f **r tJL PP yliJica. used in process!.* steel, to defense industries. Officials wm anable to tire . cm* tor the blast._