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      <marc:subfield code="a">Brooks, Gregory Robert, </marc:subfield>
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      <marc:subfield code="a">A guide to landslides in sensitive clay along the north side of the Ottawa River, west of Ottawa-Gatineau, southwestern Quebec / </marc:subfield>
      <marc:subfield code="c">G.R. Brooks and H.L. Crow.</marc:subfield>
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      <marc:subfield code="c">©2020</marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references (pages 36-41).</marc:subfield>
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      <marc:subfield code="a">"This guidebook presents a one-day, self-guided tour that highlights landslides in sensitive clay at five locations situated just north of the Ottawa River within the municipalities of Pontiac, Bristol and Clarendon, Québec, to the west of Ottawa-Gatineau. The landslides form major geomorphic features in the landscape that are easily overlooked, but readily apparent on shaded relief maps. The sites include the Quyon Valley landslide, one of the largest landslides in sensitive clay in eastern Canada. All five locations are easily accessed and viewed along roads without intruding into private property. The guidebook is intended to help raise awareness of landslides in sensitive clay that form an important part of the local geology and geomorphology"--Introduction, page 3.</marc:subfield>
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      <marc:subfield code="a">Geological Survey of Canada, </marc:subfield>
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