00799cam a2200241 i 4500 295979366 TxAuBib 20100106120000.0 750919s1961||||||||||||||||||||||||eng|u 61016177 (OCoLC)1636483 eng rda TxAuBib rda Thoreau, Henry David, 1817-1862. A week on the Concord and Merrimack Rivers [BOOK]. Boston : Houghton Mifflin, 1961. xli, 435 pages ; 22 cm. txt rdacontent n rdamedia nc rdacarrier 20100107. Concord River (Mass) Description and travel. Merrimack River (N.H. and Mass) Description and travel.