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6 <br /> <br /> <br />conditions is, however, another important factor- that con- <br />tributes to the slides' development. <br />Unusually unfavorable climatic conditions of the last <br />i <br />ispring (fast snow melt and high precipitation) caused apparently <br />near-saturation of surficial soils at numerous locations at the <br />site. Surficial slides developed as a result of this saturation <br />on steeper slopes within the old landslides area. All surficial <br />(slides that can be observed at the property appear to be concen- <br />~itrated on the steep slope between the elevation about 6,500 and <br />''the large flat bench at elevation about 6,640 and higher; this <br />I~slope is considered to be the least favorable part of the old <br />~~~landslide area for any development. <br />;~ For technical purposes, it is important to know the thick- <br />~Iness of the surficial slides of this group. It can be reasonably <br />~jassumed that the slides would be limited only to soils; the <br />~ithickness of the soil cover indicates maximum possible thickness <br />~~ <br />~~;of these slides. <br />In the following Table 1, thickness of the soil cover as it <br />Ilwas found in some of the borings and test pits excavated during <br />dour investigations is presented. Data on the ground water depth ~ <br />j~as it was encountered are presented as well. I <br />i <br />• ;. <br />i <br />ao«.m m..o~n.~.c <br />