Table Name | Field Name | Begin Column | Definition | Valid Values | Descriptions
Lesuqual.dbf | Mndot_old |  | Text, 8 | E.g., 4217A | Unique identifier used by MN/DOT to identify a pit - old numbering scheme.
| Sourcexx |  | Number,5,0 | E.g., 52041 | Unique identifier used by MN/DOT to identify a pit - new numbering scheme.
| Pitno |  | Number,11,0 | E.g., 4217 | Unique identifier used by MN/DOT to identify a pit - without letter (A or B)
| Pitnoltr |  | Text, 2 | E.g., A | Unique identifier used by MN/DOT to identify a pit - if more than one pit (A, B, or C).
| Shale_sand |  | Number,13,1 | E.g., 0.9, 3.6 | Average amount of shale found in the sand fraction (percent).
| Shale_grvl |  | Number,13,1 | E.g., 1.4, 3.9 | Average amount of shale found in the gravel fraction (percent).
| Feoxidepct |  | Number,13,1 | e.g., 1.4, 2.3 | Average amount of iron oxide found in sample (percent).
| Unchertpct |  | Number,13,1 | e.g., 0.2, 0.6 | Average amount of unsound chert found in sample (percent).
| Lar_a |  | Number,13,1 | e.g., 7.7, 28.5 | Average amount of material lost in the Los Angeles Rattler test (percent).
| Lar_b |  | Number,13,1 | e.g., 24.2, 28.3 | Average amount of material lost in the Los Angeles Rattler test (percent).
| Lar_c |  | Number,13,1 | e.g., 23.5, 26.0 | Average amount of material lost in the Los Angeles Rattler test (percent).
| Highshsand |  | Number,13,1 | e.g., 3.3, 8.6 | Highest amount of shale found in the sand fraction (percent).
| Lowshsand |  | Number,13,1 | e.g., 1.1, 4.4 | Lowest amount of shale found in the sand fraction (percent).
| Rangeshsnd |  | Text, 16 | e.g., 1.1-3.3, 2.7-8.8 | Range of shale found in the sand fraction (percent).
| High_shgvl |  | Number,13,1 | e.g., 2.4, 6.8 | Highest amount of shale found in the gravel fraction (percent).
| Low_sh_gvl |  | Number,13,1 | e.g., 1.3, 6.3 | Lowest amount of shale found in the gravel fraction (percent).
| Rangeshgvl |  | Text, 16 | e.g., 1.0-2.6, 2.8-6.3 | Range of shale found in the gravel fraction (percent).
| Highfeoxid |  | Number,13,1 | e.g., 1.1-3.2 | Highest amount of iron oxide found in sample (percent).
| Lowfeoxide |  | Number,13,1 | e.g., 0.2, 1.4 | Lowest amount of iron oxide found in sample (percent).
| Range_feox |  | Text, 16 | e.g., 0.5-1.1, 1.3-2.3 | Range of iron oxide found in sample (percent).
| Highunchrt |  | Number,13,1 | e.g., 0.0, 0.4 | Highest amount of unsound chert found in sample (percent).
| Lowunchert |  | Number,13,1 | e.g., 0.0, 0.6 | Lowest amount of unsound chert found in sample (percent).
| Range_unch |  | Text, 16 | e.g., 0.1-0.2, 0.4-0.4 | Range of unsound chert found in sample (percent).
| High_lar |  | Number,13,1 | e.g., 25.3, 30.6 | Highest amount of material lost in the Los Angeles Rattler test (percent).
| Low_lar |  | Number,13,1 | e.g., 7.0, 26.6 | Lowest amount of material lost in the Los Angeles Rattler test (percent).
| Range_lar |  | Text, 16 | e.g., 19.9-25.3, 7.7-26.0 | Range of material lost in the Los Angeles Rattler test (percent).