by Williams, Donald R. , Richard H. Williams , Donald R. Williams
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Effects of coal-mine discharges on the q...
Water-resources data for Indiana County,...
Adirondacks
Along the Adirondack Trail
Adirondack Ventures
Stream water quality in coal mined areas...
Hamlet
Through the Looking-Glass
The Merchant of Venice
The Tempest
The Canterbury Tales
Flatland