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In summary, it appears that this sail is atypical far a Blak:eland <br />loamy sand. The top layer is thinner than normal and more organic and <br />the subsoil layer is rather poorly developed. There is same evidence <br />of some kind of cultivation having occurred at some time in the past. <br />From this information the following history seems reasonable. <br />The soil was rather poorly developed in the first place. Its <br />upland location and exposure to strong west winds would reduce the rate <br />of development. At the turn of the century it was probably grazed <br />intensively which not only exposed it to wind erosion but also allowed <br />Blue Grama to become a rather abundant species. When the Dust Bowl <br />occurred the wind erasion became very severe and removed much of the <br />upper layer, After the bust Bawl, Blue Grama spread ^ver mast of the <br />site and hecame a predominant species. In order to improve the range <br />quality, seeding of the site was done with various species, especially <br />• on the west end where farming may have also been attempted. Upon <br />finding the site would not support crops, it was intensively seeded and <br />organic matter was added. Since that time the Blue Grama and planted <br />species spread over the site which was quite well protected from any <br />further disturbances. As a result we have today a rather shallow, <br />highly organic sail supporting a dense but low diversity vegetation. <br />WEST GF ACADEMY BOULEVARD <br />To say that the soils west of Academy Boulevard are different from <br />those east of Academy is to understate the situation. In fact, west of <br />Academy Boulevard and within the permitted area there is no native sail <br />remaining. The only soil present is what has been "stockpiled" from <br />years past, during the period which pre-dates the reclamation law. The <br />• term "stockpiled" must be used rather loosely as the soil stockpiles <br />F'AC,E 6 OF 9 - EXHIBIT I <br />