TY - RPRT TI - Polygons of global undersea features for geographic searches AU - Stephen R. Hartwell AU - Dana K. Wingfield AU - Alan O. Allwardt AU - Frances L. Lightsom AU - Florence L. Wong PY - 2018 DO - 10.3133/ofr20141040 UR - https://pubs.usgs.gov/publication/ofr20141040 ID - ofr20141040 ER -