At head of title: Canada. Department of Mines ... Geological Survey.
"No. 1465."|
Original issued in series: Memoir 69. Geological series / Geological Survey of Canada ; numbers 57.
Tables.
"List of recent reports of Geological Survey": vii at end.
Errata tipped in at pages 327.
Includes bibliographical references and an index.
Filmed from a copy of the original publication held by the National Library of Canada. Ottawa : Canadian Institute for Historical Microreproductions, 1997.
iii, 350, vii pages, [23] leaves of plates : maps (part folded) ; 25 cm.