TY - RPRT TI - Development and evaluation of a prototype global volcanic surveillance system utilizing the ERTS-1 satellite data collection system AU - Peter L. Ward AU - Elliot T. Endo AU - David H. Harlow AU - Rex Allen AU - Dan Marquez AU - Jerry P. Eaton PY - 1974 DO - 10.3133/ofr74124 UR - https://pubs.usgs.gov/publication/ofr74124 ID - ofr74124 ER -