Landscape assessment : Upper South Platte Watershed /

"August 1999."

Representativeness assessment of research natural areas on national forest system lands in Idaho /

"March 2000."

Cultural landscape report for the Vanderbilt Mansion formal gardens : Vanderbilt Mansion National Historic Site, Hyde Park, New York : site history, existing conditions, analysis and evaluation, treatment /

Includes bibliographical references.

Study of Civil War sites in the Shenandoah Valley of Virginia : pursuant to Public Law 101-628.

"September 1992."