W. K. Lauenroth Range Science Department and Natural Resource Ecology Laboratory, Colorado State University, Fort Collins, CO 80523 W. A. Laycock Department of Range Management, University of Wyoming, Laramie, WY 82071

• Preface -- Secondary Succession and Range Condition Criteria: Introduction to the Problem -- Range Condition as Used in the Soil Conservation Service -- History and Development of Site and Condition Criteria in the Bureau of Land Management -- History of Development of Site and Condition Criteria for Range Condition Within the U.S. Forest Service -- The Development of Systems of Assessing the Condition of Rangeland in Australia -- Range Condition and Secondary Succession: A Critique -- Range Condition Analysis: Past, Present, and Future

W. K. Lauenroth Range Science Department and Natural Resource Ecology Laboratory, Colorado State University, Fort Collins, CO 80523 W. A. Laycock Department of Range Management, University of Wyoming, Laramie, WY 82071

• Preface -- Secondary Succession and Range Condition Criteria: Introduction to the Problem -- Range Condition as Used in the Soil Conservation Service -- History and Development of Site and Condition Criteria in the Bureau of Land Management -- History of Development of Site and Condition Criteria for Range Condition Within the U.S. Forest Service -- The Development of Systems of Assessing the Condition of Rangeland in Australia -- Range Condition and Secondary Succession: A Critique -- Range Condition Analysis: Past, Present, and Future

W. K. Lauenroth Range Science Department and Natural Resource Ecology Laboratory, Colorado State University, Fort Collins, CO 80523 W. A. Laycock Department of Range Management, University of Wyoming, Laramie, WY 82071

• Preface -- Secondary Succession and Range Condition Criteria: Introduction to the Problem -- Range Condition as Used in the Soil Conservation Service -- History and Development of Site and Condition Criteria in the Bureau of Land Management -- History of Development of Site and Condition Criteria for Range Condition Within the U.S. Forest Service -- The Development of Systems of Assessing the Condition of Rangeland in Australia -- Range Condition and Secondary Succession: A Critique -- Range Condition Analysis: Past, Present, and Future