| WatchDog Model 2475 Plant Growth Station*** | $23,734.00MN |
| LAQUA Twin Nitrate Meter*** | $12,433.00MN |
| WatchDog Model 1400 Data Logger*** | $7,618.00MN |
| LAQUA Twin Calcium Meter*** | $28,304.00MN |
| Field Scout Quantum and Foot-Candle Meter*** | $28,123.00MN |
| Temperature Probe, Vantage Pro and Vantage Pro2*** | $1,893.00MN |
| WaterScout SMEC 300 Soil Moisture/EC/Temperature Sensor*** | $5,515.00MN |
| DHT-1 Portable Hay Moisture Tester 24"*** | $8,303.00MN |
| Moisture-Mac Coffee Moisture Tester*** | $9,301.00MN |
| COMPRO POCKET TRANSIT COMPASS*** | $9,635.00MN |
| LAQUA Twin EC Meter*** | $7,921.00MN |
| WaterScout SM 100 Sensor - 6ft(1.8m)*** | $4,569.00MN |
| Soil Test Kit w/ 30 Samples - Sodium*** | $2,491.00MN |
| Brújula Brunton GEO 5010*** | $36,797.00MN |
| Quantum Light Sensor*** | $39,897.00MN |
| LAQUA Twin pH Meter*** | $8,397.00MN |
| Medidor de Salinidad SALT, LAQUA TWIN-HORIBA*** | $5,746.00MN |
| Model J Soil Sampler*** | $4,737.00MN |
| Brujula Krypton de colgar Negro | $120.00MN |
| Military Prismatic Sighting Compass | $1,504.00MN |
| Altimeter/Barometer*** | $3,219.00MN |
| Lensatic Compass | $180.00MN |
| Wall Mount Temp/RH/CO2 Meter*** | $13,263.00MN |
| Brass Compass In Metal Tin Box*** | $641.00MN |
| 150 ppm Ca2+ Standard, 6 - 14mL bottles*** | $3,150.00MN |
| Leaf Wetness Sensor*** | $6,908.00MN |
| 2000 ppm Na+ Standard, 6 - 14mL bottles*** | $3,552.00MN |
| Replacement pH Sensor for LAQUA Twin*** | $8,152.00MN |
| DataScout Modem WiFi Solar*** | $25,306.00MN |
| Self Sticking Car Compass | $70.00MN |
| Flow Probe (2.5 to 5.5 ft handle)*** | $40,400.00MN |
| Quantum Light Sensor*** | $14,449.00MN |
| Watermark Soil Moisture Sensor 11 ft*** | $2,210.00MN |
| ET Pup Station (900 MHz)*** | $48,747.00MN |
| Replacement Calcium Sensor for LAQUA Twin*** | $20,379.00MN |
| Quantum Light Sensor*** | $8,374.00MN |
| Map Compass with Ruler and Lanyard | $281.00MN |
| Fishes, frogs and amphibians - 10 slides | $704.00MN |
| Replacement Potassium Sensor for LAQUA Twin*** | $5,095.00MN |
| WatchDog 3240 Wireless Weather Station*** | $48,951.00MN |
| GPS eTrex 32x | $7,021.00MN |
| Temperature (Micro) Sensor | $2,131.00MN |
| CONVENTIONAL POCKET TRANSIT*** | $26,872.00MN |
| Irrigation On/Off Sensor*** | $5,591.00MN |
| Soil Moisture Transducer - R*** | $7,429.00MN |
| DataScout Cellular Modem*** | $41,704.00MN |
| Clisímetro Geosurv | $1,036.00MN |
| WatchDog 3250 Wireless ET Station*** | $56,700.00MN |
| Set for Teaching Biology (Part 1) - 10 slides | $704.00MN |
| 150 ppm K+ DI Standard*** | $5,329.00MN |
| *** | $2,750.00MN |
| LAQUA Twin Potassium Meter*** | $38,854.00MN |
| Soil Compaction Tester*** | $12,035.00MN |
| WatchDog Sprayer Station w/Console*** | $58,696.00MN |
| DataScout WiFi Modems AC/DC*** | $18,604.00MN |
| Barometric Pressure Sensor Extended Range*** | $10,965.00MN |
| Pup Repetidor @900MHz*** | $11,124.00MN |
| WatchDog 3220 Wireless Rain Station*** | $43,784.00MN |
| Zoology: Invertebrate and Insects - 25 slides | $1,604.00MN |
| 2000 ppm NO3- Standard*** | $1,776.00MN |
| Field Scout Dual Solar/Electric Quantum Meter*** | $7,474.00MN |
| Solar Power Package*** | $14,749.00MN |
| Milwaukee EC40 EC/TDS Nutrient Meter*** | $3,628.00MN |
| Pup de Sensores @900MHz*** | $27,248.00MN |
| Lizards, birds and snakes - 10 slides | $689.00MN |
| 1 1/2" Diameter Compass with 40" Lanyard | $120.00MN |
| General Biology - 25 slides | $1,604.00MN |
| Flow Probe (5.5 to 15 handle)*** | $40,400.00MN |
| LightScout DLI 100 Light Meter*** | $5,078.00MN |
| Handheld Temp/RH/CO2 Meter*** | $9,239.00MN |
| GPS eTrex ® 10*** | $3,007.00MN |
| Conductivity Electrode Replacement*** | $10,273.00MN |
| Replacement Sodium Sensor for LAQUA Twin*** | $5,095.00MN |
| External (Soil) Temperature Sensor - 6 ft. | $1,269.00MN |
| Watch compass | $80.00MN |
| WatchDog 1120 Data-Logging Rain Gauge*** | $10,361.00MN |
| Replacement EC Sensor for LAQUA Twin*** | $5,434.00MN |
| Field Scout Quantum Meter*** | $12,449.00MN |
| 4-20 mA Input Cable*** | $485.00MN |
| Rain Bucket Bird Guard*** | $675.00MN |
| 0-2.5V DC Input Cable*** | $716.00MN |
| WaterScout Calibration Device*** | $2,127.00MN |
| CO2 Monitor*** | $22,379.00MN |
| Cell reproduction and development - 10 slides*** | $689.00MN |
| Watermark Soil Moisture Sensor 20 ft*** | $2,707.00MN |
| Barometric Pressure Sensor Std.*** | $10,965.00MN |
| GPS MAP 65*** | $9,028.00MN |
| LAQUA Twin Sodium Meter*** | $12,433.00MN |
| Alarm Output Module*** | $13,614.00MN |
| Soluciones de Calibración de Nitrato 150 ppm*** | $1,776.00MN |
| Inhabitants of Polluted Waters - 10 slides*** | $1,409.00MN |
| Illusion Science*** | $259.00MN |
| Meade Polaris 90mm German Equatorial Refractor | $10,617.00MN |
| WatchDog A125 Temp/Ext. Temp*** | $3,669.00MN |
| Milwaukee CD611 Digital Conductivity Pen (EC)*** | $795.00MN |
| MT-PRO Grain Moisture Tester*** | $9,353.00MN |
| WatchDog A-Series PC Cable*** | $692.00MN |
| Model 115-Rain Logger*** | $3,956.00MN |
| Model HC Soil Sampler*** | $2,512.00MN |
| Handheld Plant Sap Press*** | $549.00MN |
| 150 ppm Na+ Standard, 6 - 14mL bottles*** | $1,776.00MN |
| CO2 Monitor AIRCO2NTROL COACH*** | $6,015.00MN |