armed, sent, led, search, french, sea, these, joint, send, field, three, two, war, four, trade, such, five, land, great, long, small everest, raiding, scouting, hunting, warlike, whaling, arctic, fishing, polar, shopping, trapping, viking, diving, camping, climbing, trading, naval, spanish, sponsored, shooting, distant, mining, river, sending, previous, frequent, earlier, watching, russian, various, british, research, future, survey, separate, major, summer, early, seven, foreign, northern, further, later, german, private, english, special, recent, western, many, other, nature, making eclipse, relief, research, survey plundering, punitive, everest, foraging, overland, surveying, maritime, wilderness, portuguese, gathering, numerous, previous, subsequent, several, organized, earlier, various, separate, annual, century, similar, government marauding, antarctic, exploring, surveying, collecting, successive, colonial, successful, conducted, commercial, official overseas, european predatory, military, missionary piratical, botanical, geological, colonial, society, american asiatic, unsuccessful, scientific, european exploratory piratical, archaeological, geological, international archaeological

sent, led, took, went, set, through, which, made followed, carried, during, under against, abroad, across, throughout, along organized together undertaken

himalayan mountaineering, mountain, climbing, frontiermount everest, desert, royallunar eclipse, explorationbaja californiamanned lunar, apollo, explorationgeological survey, prospecting, mapping, society, reconnaissance, surveying, explorationapollo lunar, program, launcharctic ocean, whaling, exploration, coastal, polar, marine, wilderness, winter, wildlife, sea, adventure, poleroyal asiatic, anthropological, geographical, botanical, zoological, danish, society, dutch, naval, viking, canadian, swedish, norwegian, photographic, marinepacific ocean, whaling, coastal, maritimeantarctic whaling, marine, polar, ocean, exploration, survey, pole, coastal, winter, research, sea, adventurephotographic reconnaissance, collection, surveyriver raftingnorwegian whaling, polar, archaeological, coastal, arctic, antarctic, sea, maritime, missionary, fishingclimbing everest, mountmarine amphibious, wildlife, scientificproved fruitless, unsuccessful, disastrous, successful, costlynaval oceanographic, amphibious, reconnaissance, volunteer, researchamphibious reconnaissanceperilous adventure, frontierfruitless searchmaritime museum, reconnaissance, raiding, antarctic, trade, adventure, polar, frontier, trading, exploration, archaeologicalasiatic societycanadian arctic, pacific, mounted, wildlife, wilderness, maritime, governmentnocturnal foraging, adventuremountain climbing, hiking, wilderness, rescuezoological society, museum, survey, collectionarcheological museum, survey, discovery, society, researchwilderness camping, hiking, canoe, adventure, societyoverseas chinese, trade, missionary, tradingfishing boat, polearchaeological survey, reconnaissance, museum, exploration, research, society, discoverycommercial whaling, fishing, divingsea kayak, fishing, diving, quarkoutdoor adventure, relief, camping, museumnorthern baja, frontier, california, pacific, italian, europeanwhaling museum, boatcrusading army, againstcanoe camping, launchinland sea, marine, fishingbritish museum, naval, colonial, antarctic, army, archaeological, mountaineering, government, imperialdaring adventure, rescuesurvey conducted, undertakenformer soviet, colonialarmed reconnaissancespanish colonial, frontiersailing canoe, boat, alongmissionary societyeastern european, frontier, himalayan, arctic, pacific, desertboat launch, manned, sailed, sailingsightseeing boatinternational whaling, trade, maritime, finance, oceanographicpolar exploration, desert, seaoceanographic research, museum, surveyshort distanceethnographic museum, research, survey, explorationwalking distance, along, towards, acrossdesert botanical, wildernessclark racoastal marine, whaling, fishing, oceandutch colonial, whaling, paintingportuguese colonial, maritime, overseas, trading, exploration, missionary, frontierbotanical exploration, survey, museum, societytrekking across, through, alongwestern spitsbergen, frontier, pacific, european, himalayan, desert, arctic, asiaticreconnaissance survey, mapping, explorationstarted walking, shooting, climbing, sketching, collectingconquering armyroman imperial, army, frontierscientific discovery, research, exploration, americanjoint photographic, oceanographic, prospectinganthropological research, survey, societydistant future, mountaincalifornia coastal, desert, archaeologicalpalaeontological researchenglish privateeringoverland tradeegyptian army, desert, museum, frontiersmaller scalefilibuster againstwinter campingforeign trade, missionarywar ended, againstregular armyvolunteer army, rescueamerican anthropological, societyprivate collectionfurther exploration, inland, exploredexploratory research, survey, fishingtrade secretland surveyinggerman naval, armyunsuccessful searchimperial army, maritime, japanese, russian, adventuresoviet military, naval, armedmining frontier, explorationrussian army, imperial, naval, arcticfrequent nocturnalmarauding armyrecent archeological, survey, archaeological, researchguided discovery, hiking, walking, canoegeographic society, pole, distancegeographical society, distance, explorationfrench colonial, army, canadian, navalextended beyondjapanese naval, whalingseveral dozenundertook extensiveswedish antarctic, armydistance learning, inlandbegan sketching, raiding, walking, collectingagainst maraudingsailed across, alongbrought togethersent abroad, overseassummer campingextensive looting, collection, ethnographicdanish polar, royal, missionary, maritimescale amphibiousfunded researchoffers boating, campingocean mining, reconnaissance, sailingsmall scalefamous paintingraiding spanishseeking reliefwildlife rescue, watchingheaded towards, inlandsuccessful amphibious, launchambitious programhostile towardsexplored furthergathering togethergovernment sponsored, undertookpole climbingthree successiverescue boatprogram sponsoredcolonial frontierwent sightseeingbecame famousprivateering against, duringresearch conducteditalian paintingearly summerdisastrous adventuremuseum collectionearliest archaeologicalchinese lunar, paintinglater becamemilitary reconnaissancegreat adventureannual survey