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6.2.2 Cover Layer Editor
Once a layer is highlighted (see Section 4.2.1), the layer editor becomes visible for that
respective layer.
Note: the title bar of the editor indicates which layer you are currently editing. See circled area
in figure below.
Once the layer editor is enabled by highlighting the respective layer, the user makes a selection
among the 12 USDA soil texture classifications or among 21 other alternative choices through
the pull-down combo box. The alternative choices are alternative daily cover (ADC) materials
and non-soil materials, including geomembranes. The model will display either the section of
the textual triangle selected (USDA soil types) or a representative picture of the cover material
selected. See Appendix A for the physical properties (default values) for the various materials.
(Combo box for material selection is shown expanded)