| _start_date | date | The start date of the validity period for the row version. |
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| _end_date | date | The end date of the validity period for the row version. |
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| _row_number | long | The row number of the version history. |
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| gml_id | string | The GML ID of the row version. |
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| objectid | int | The ID of the row version. |
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| tracttype | string | The type of the tract. |
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| tractname | string | The name of the tract. |
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| number_dep_10_percent_prob | int | The number of depositions with a 10 percent probability. |
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| number_dep_50_percent_prob | int | The number of depositions with a 50 percent probability. |
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| number_dep_90_percent_prob | int | The number of depositions with a 90 percent probability. |
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| expected_number_of_dep | int | The expected number of depositions. |
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| ag_estim_10_percent_prob | int | The estimated agricultural value with a 10 percent probability. |
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| ag_estim_50_percent_prob | int | The estimated agricultural value with a 50 percent probability. |
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| ag_estim_90_percent_prob | int | The estimated agricultural value with a 90 percent probability. |
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| ag_mean_estimate | int | The mean estimate of the agricultural value. |
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| au_estim_10_percent_prob | int | The estimated value of another attribute with a 10 percent probability. |
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| au_estim_50_percent_prob | int | The estimated value of another attribute with a 50 percent probability. |
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| au_estim_90_percent_prob | int | The estimated value of another attribute with a 90 percent probability. |
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| au_mean_estimate | int | The mean estimate of another attribute value. |
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| cu_estim_10_percent_prob | int | The estimated value of yet another attribute with a 10 percent probability. |
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| cu_estim_50_percent_prob | int | The estimated value of yet another attribute with a 50 percent probability. |
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| cu_estim_90_percent_prob | int | The estimated value of yet another attribute with a 90 percent probability. |
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| cu_mean_estimate | int | The mean estimate of yet another attribute value. |
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| mo_estim_10_percent_prob | int | The estimated value of a different attribute with a 10 percent probability. |
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| mo_estim_50_percent_prob | int | The estimated value of a different attribute with a 50 percent probability. |
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| mo_estim_90_percent_prob | int | The estimated value of a different attribute with a 90 percent probability. |
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| mo_mean_estimate | int | The mean estimate of a different attribute value. |
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| shape_area | int | The area of the shape. |
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| shape_len | int | The length of the shape. |
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| geom_geojson | string | The geometric representation of the shape in GeoJSON format. |
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| geom_geotext | string | The geometric representation of the shape in Geotext format. |
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| geom_type | string | The type of geometric shape. |
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| geom_centroid | string | The centroid of the geometric shape. |
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| geom_center_x | double | The X coordinate of the center of the geometric shape. |
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| geom_center_y | double | The Y coordinate of the center of the geometric shape. |
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| geom | binary | The geometric representation of the shape. |
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