By D.G. Hograth. Cover-title. At head of cover-title: Problems in exploration I. "From 'The Geographical journal' for December, 1908." "Read at the... Show moreBy D.G. Hograth. Cover-title. At head of cover-title: Problems in exploration I. "From 'The Geographical journal' for December, 1908." "Read at the Royal geographical society. November 2, 1908 ..." "Problems in exploration-discussion": p.563-570. Show less
by D.G. Hogarth. Includes bibliographical references and index. Also available in an electronic version. Show moreby D.G. Hogarth. Includes bibliographical references and index. Also available in an electronic version. Show less
