IS ABSTRACT (Continue on7 reverie it necessary~ ardidenify 0oi 040ck numoer) "" .Three adult females of various ages and one juvenile are represented in the osteological material recovered from site 25HN118. No absolute dates were calculated for this site.-~ Mortuary practices inferred for site 25HNIIS are compared to those of the Valley and Keith focus of the Plains Woodland tradition. Differences in the amount of grave offerings and the frequencies of certain bone elements are an im 'portant indicator of cultural affiliation. The remains of an individual male were recovered from site 25HN174. This site has been radiocarbon dated at 1600 @jllO years before present. 20. 0isTRi3UTION/AvAILAEILI7Y OF ABSTRACT 21. ABSTRACT, SjcURIT'Y CLASSIFICATION C UNCLASSIFE0AJNLiMITED fY n SAME AS RPT C] DTIC USERS Unclassi fied ZTa. NAMr OF ;?SPONSBLE INDIVIDUAL 22t). TE_ 4N (Inciuae Area Code) 22C. OFFICE SYMBOL Planning-Division. Envir-rimental Res. Rr (Pi6) 426-34.02 1 voan-o CC) Form 1473, JUN 86

An intensive cultural resource inventory was conducted on approximately 8200 acres of federal land adjacent to Lake Oahe in Emmons and Burleigh counties, North Dakota. Seventy-two sites and 23 isolated finds were recorded. Seven sites are believed eligible for nomination to the National Register of Historic Places. Further work is necessary to determine eligibility at 29 sites. Preliminary site patterning studies indicate that the modeling of site location is possible with a high degree of accuracy. It is believed that such modeling would be of use for long-term and short-term management and research concerns.

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Field surveys of potential cliff nesting-sites for diurnal raptors were conducted in June and early July 1994 in the Chalk Buttes, the Ekalaka Hills and the southern half of the Long Pines of the Sioux District, Custer National Forest, Montana. All surveys were conducted on foot. About 300 separate sites were surveyed, falling into roughly 42 concentrations of cliffs and/or outcrops. Only three active Prairie Falcon nest sites and one probable Merlin nest site were identified. Because of time limitations of the 1994 field survey, it is anticipated that a comprehensive survey of greater duration of both the Montana and South Dakota portions of the Sioux District will identify additional nests not discovered in this preliminary effort. Nevertheless, the few nesting pairs detected are cause for concern, especially when contrasted with historical nesting data, and indicate the need for a more thorough field effort. Published literature and unpublished nest records indicate that significant numbers of Prairie Falcons, Merlins, and Golden Eagles have nested on and near Custer National Forest lands in recent decades. Ferruginous and Swainson's Hawks nest mostly off of the Custer National Forest. The Northern Goshawk is also a potential breeding species in low densities in mature pine stands, and future raptor inventory efforts should include surveys of its potential nesting habitat; one adult was seen in the Long Pines in June during the survey.