ISBN-13: 9781491033449 / Angielski / Miękka / 2013 / 48 str.
ISBN-13: 9781491033449 / Angielski / Miękka / 2013 / 48 str.
The National Park Service, Natural Resource Program Center publishes a range of reports that address natural resource topics of interest and applicability to a broad audience in the National Park Service and others in natural resource management, including scientists, conservation and environmental constituencies, and the public.