protractor spurn to investigate the land possible
observation_facilitating_terrain is geographical_region. draw is minor_terrain_feature. spur is geographical_region. flow_terrain is land_topographical_feature. land_topographical_feature is inanimate_object. landsailor is single_purpose_device. cover_limiting_terrain is geographical_region. fill is land_topographical_feature. warp_drive is spacedrive. spur is minor_terrain_feature.