Peril in the ponds :
Helgen, Judith Cairncross,
Peril in the ponds : deformed frogs, politics, and a biologist's quest / Judy Helgen. - 1 online resource (260 pages)
Includes bibliographical references and index.
9781613762011 (e-book)
Frogs--Abnormalities--Minnesota.
Frogs--Habitat--Minnesota.
Wetland ecology--Minnesota.
Water--Pollution--Minnesota.
Electronic books.
QL668.E2 / .H42 2012eb
597.8/9
Peril in the ponds : deformed frogs, politics, and a biologist's quest / Judy Helgen. - 1 online resource (260 pages)
Includes bibliographical references and index.
9781613762011 (e-book)
Frogs--Abnormalities--Minnesota.
Frogs--Habitat--Minnesota.
Wetland ecology--Minnesota.
Water--Pollution--Minnesota.
Electronic books.
QL668.E2 / .H42 2012eb
597.8/9