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Project Work For The Year: 1989
Go to Tables for 1989 BMP

Figure 1

Schematic layout of test field (NW 1/4 Sec 29) illustrating 330 foot grid lines, field sector or quadrant boundaries and tile line locations.

Figure 2

Schematic illustrating location of transect lines (NW 1/4 Sec 29), and approximate locations of groundwater observation wells and disturbed soil profile lysimeters.

Figure 3

Typical Nested Well Installation, NW 29 Study Area, Oakes, North Dakota. Schematic illustrating relative position of nested groundwater observation wells.

Figure 4

Disturbed Lysimeter Layout, North West 29 BMP Project. Cross-section of a disturbed soil profile lysimeter installation.

Figure 5

Disturbed Lysimeter Construction Diagram, North West 29 BMP Project. Construction diagram for disturbed soil profile lysimeter.

Figure 6

Manhole Construction Diagram, North West 20 BMP Project. Construction diagram for manhole associated with a disturbed soil profile lysimeter.

Figure 7

Manhole Cover Construction Diagram, North West 29 BMP Project. Construction diagram of cover for manhole associated with disturbed soil profile lysimeter.

Figure 8

Manhole Tie Down Straps, North West 29 BMP Project. Diagram of tie-down straps that were used to anchor manhole unit to a concrete base.

Figure 9

Best Management Practices Quarter Section. Schematic layout of the test field including tile drain manholes, OBS wells, undisturbed lysimeters, disturbed lysimeters, and office/storage shack.

Figure 10

Undisturbed Lysimeter Unit and Expanded Side View of the Drainage Instrumentation. Schematic of the soil profile in a undisturved lysimeter.

Figure 11

External View of Instrumented PVC Shell, North WEst 29 BMP Project. Schematic of undisturbed lysimeter shell illustrating TDR wiring and vacuum line placement.

Figure 12

Cross Sectional View of a Undisturbed Lysimeter, North West 29 BMP Project. Cross sectional view of an undisturbed lysimeter illustrating relative location of instrumentation.

Figure 13

Lysimeter Base Assembly, North WEst 29 BMP Project. Schematic of the undisturbed lysimeter base assembly illustrating instrumentation installation.

Figure 14

Bar Ceramic Candle Systems, North West BMP Project. Schematic illustrating the main and backup ceramic candle systems.

Figure 15

Half-Shell Construction, North West 29 BMP Project. Schematic of PVC half-shell construction.

Figure 16

Location of Disturbed Lysimeter No. LNW, North West 29 BMP Project.

Figure 17

Location of Disturbed Lysimeter No. LNE, North West 29 BMP Project.

Figure 18

Location of Disturbed Lysimeter No. LSE, North West 29 BMP Project.

Figure 19

Location of Disturbed Lysimeter No. LSW, North West 29 BMP Project.

Figure 20

Location of Undisturbed Lysimeter No. L01, North West 29 BMP Project.

Figure 21

Location of Undisturbed Lysimeter No. L02, North West 29 BMP Project.

Figure 22

Location of Undisturbed Lysimeter No. L03, North West 29 BMP Project.

Figure 23

Location of Undisturbed Lysimeter No. L04, North West 29 BMP Project.

Figure 24

Location of Undisturbed Lysimeter No. L05, North West 29 BMP Project.

Figure 25

Location of Undisturbed Lysimeter No. L06, North West 29 BMP Project.

Figure 26

Location of Undisturbed Lysimeter No. L07, North West 29 BMP Project.

Figure 27

Location of Undisturbed Lysimeter No. L08, North West 29 BMP Project.

Figure 28

Location of Undisturbed Lysimeter No. L09, North West 29 BMP Project.

Figure 29

Location of Undisturbed Lysimeter No. L10, North West 29 BMP Project.

Figure 30

Location of Undisturbed Lysimeter No. L11, North West 29 BMP Project.

Figure 31

Location of Undisturbed Lysimeter No. L12, North West 29 BMP Project.

Figure 32

Location of Undisturbed Lysimeter No. L13, North West 29 BMP Project.

Figure 33

Location of Undisturbed Lysimeter No. L14, North West 29 BMP Project.

Figure 34

Location of Undisturbed Lysimeter No. L15, North West 29 BMP Project.

Figure 35

Location of Undisturbed Lysimeter No. L16, North West 29 BMP Project.

Figure 36

Location of Undisturbed Lysimeter No. L17, North West 29 BMP Project.

Figure 37

Location of Undisturbed Lysimeter No. L18, North West 29 BMP Project.

Figure 38

Location of Undisturbed Lysimeter No. L19, North West 29 BMP Project.

Figure 39

Location of Undisturbed Lysimeter No. L20, North West 29 BMP Project.

Go to Illustrations for 1989 BMP

Table 1

Bill of materials for construction of individual disturbed lysimeter and manhole assembly.

Table 2

Bulk density comparisons for disturbed lysimeter installations.

Table 3

Summary of compaction measurements for undisturbed lysimeters at the Oakes Test Area Best Managment Practices field study.

Table 4

Bulk densities of the soil profile for the undisturbed lysimeters at time of construction.