1. okBATHTUB::ok_lake_ecoregions
    Oklahoma lakes -> EPA Level III ecoregion lookup
    csv| xlsx| json| ndjson| rda| rds
    data.frame|214 x 11
  2. okBATHTUB::ok_reservoirs
    Oklahoma reservoir morphometry dataset
    csv| xlsx| json| ndjson| rda| rds
    data.frame|40 x 17