Download or read book Death in the Marsh written by Tom Harris and published by . This book was released on 1991-10 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt: Selenium, essential in microscopic doses, can be deadly in larger amounts. Death in the Marsh explains how federal irrigation projects have altered selenium's circulation in the environment, allowing it to accumulate in marshes, killing ecosystems and wildlife, and causing deformities in some animals.