| Borehole | Location (latitude, longitude) | Depth of bedrock (m) | Thickness of Sand & gravel (m) | Thickness of Sand (m) | Ref. |
| KJL-01 | N 36°28′34″, E 127°07′43″ | 10.0 | 6.1 | 6.0 | floodplain |
| KJL-02 | N 36°34′35″, E 126°58′01″ | 6.0 | 4.0 | 3.0 | floodplain |
| KJL-03 | N 36°33′59″, E 126°57′53″ | 4.4 | 2.0 | 1.7 | floodplain |
| KJL-04 | N 36°31′51″, E 126°56′59″ | 4.5 | 3.2 | 3.0 | floodplain |
| KJL-05 | N 36°31′22″, E 126°57′15″ | 4.0 | 2.8 | 2.4 | floodplain |
| KJL-06 | N 36°30′39″, E 126°58′12″ | 3.0 | 1.0 | 0.8 | floodplain |
| KJL-07 | N 36°30′14″, E 126°59′41″ | 6.0 | 3.4 | 2.9 | floodplain |
| KJL-08 | N 36°18′12″, E 127°04′26″ | 8.0 | 2.8 | 2.7 | floodplain |
| KJL-09 | N 36°25′58″, E 127°09′02″ | 5.0 | 2.1 | 1.8 | floodplain |
| KJL-10 | N 36°20′43″, E 127°08′32″ | 5.0 | 2.1 | 1.5 | floodplain |
| KJL-11 | N 36°20′03″, E 127°08′34″ | 5.0 | 3.4 | 2.9 | floodplain |
| KJL-12 | N 36°19′29″, E 127°08′37″ | 5.0 | 2.0 | 1.7 | floodplain |
| KJL-13 | N 36°18′57″, E 127°08′33″ | 5.0 | 1.3 | 1.0 | floodplain |
| KJL-14 | N 36°18′28″, E 127°08′26″ | 4.0 | 2.3 | 1.4 | floodplain |
| KJL-15 | N 36°18′58″, E 127°07′59″ | 4.0 | 1.5 | 1.2 | floodplain |
| KJL-16 | N 36°32′06″, E 127°11′37″ | 4.0 | 1.3 | 1.0 | floodplain |
| KJL-17 | N 36°30′15″, E 127°11′41″ | 6.0 | 3.6 | 3.3 | floodplain |
| KJL-18 | N 36°30′02″, E 127°07′57″ | 7.0 | 3.3 | 3.0 | floodplain |
| KJL-19 | N 36°30′55″, E 127°07′36″ | 7.0 | 3.8 | 2.9 | floodplain |
| KJL-20 | N 36°31′13″, E 127°07′19″ | 7.0 | 3.3 | 2.9 | floodplain |
| KJL-21 | N 36°32′18″, E 127°07′16″ | 7.0 | 4.2 | 3.8 | floodplain |
| KJL-22 | N 36°33′19″, E 127°07′07″ | 6.0 | 4.8 | 4.0 | floodplain |
| KJL-23 | N 36°36′01″, E 127°07′09″ | 5.0 | 2.6 | 2.0 | floodplain |
| KJL-24 | N 36°28′29″, E 127°06′56″ | 14.0 | 4.3 | 4.2 | floodplain |
| KJL-25 | N 36°29′28″, E 127°05′27″ | 5.0 | 2.0 | 1.5 | floodplain |
| KJL-26 | N 36°27′37″, E 127°05′09″ | 12.0 | 3.7 | 3.6 | floodplain |
| KJL-27 | N 36°28′19″, E 127°04′48″ | 8.0 | 1.1 | 1.0 | floodplain |
| KJL-28 | N 36°28′06″, E 127°04′15″ | 10.0 | 4.5 | 3.5 | floodplain |
| KJL-29 | N 36°27′50″, E 127°04′03″ | 8.0 | 2.7 | 2.5 | floodplain |
| KJL-30 | N 36°27′37″, E 127°03′46″ | 8.5 | 4.6 | 3.9 | floodplain |
| KJL-31 | N 36°28′59″, E 127°02′01″ | 7.0 | 6.4 | 5.1 | floodplain |
| KJL-32 | N 36°25′46″, E 127°01′15″ | 4.0 | 2.3 | 1.8 | floodplain |
| KJL-33 | N 36°24′35″, E 127°02′30″ | 16.0 | 5.7 | 4.6 | floodplain |
| KJL-34 | N 36°22′56″, E 127°04′31″ | 4.0 | 0.7 | 0.7 | floodplain |
| KJL-35 | N 36°30′16″, E 127°08′35″ | 5.0 | 2.2 | 1.8 | floodplain |
| KJR-01 | N 36°28′13″, E 127°07′12″ | 11.5 | 6.5 | 6.4 | riverbeds |
| KJR-02 | N 36°27′57″, E 127°06′11″ | 11.5 | 9.3 | 9.1 | riverbeds |
| KJR-03 | N 36°26′55″, E 127°04′58″ | 6.5 | 6.0 | 5.7 | riverbeds |
| KJR-04 | N 36°26′11″, E 127°03′44″ | 8.1 | 2.1 | 2.1 | riverbeds |
| KJR-05 | N 36°23′21″, E 127°01′16″ | 12.7 | 2.1 | 1.8 | riverbeds |
| KJR-06 | N 36°21′05″, E 127°59′18″ | 5.7 | 3.5 | 3.5 | riverbeds |
| KJR-07 | N 36°27′45″, E 127°04′42″ | 10.6 | 9.9 | 9.6 | riverbeds |
| KR-01 | N 36°26′02″, E 127°12′58 | ″ - | - | - | river sand |
| KR-02 | N 36°27′31″, E 127°14′29″ | - | - | - | river sand |
| KR-03 | N 36°26′32″, E 127°10′58″ | - | - | - | river sand |
| KR-04 | N 36°26′57″, E 127°09′52″ | - | - | - | river sand |
| KR-05 | N 36°27′51″, E 127°07′49″ | - | - | - | river sand |
| KR-06 | N 36°27′59″, E 127°06′14″ | - | - | - | river sand |
| KR-07 | N 36°26′20″, E 127°03′52″ | - | - | - | river sand |
| KR-08 | N 36°22′43″, E 127°00′23″ | - | - | - | river sand |
| KR-09 | N 36°23′51″, E 127°01′48″ | - | - | - | river sand |
| KR-10 | N 36°20′35″, E 126°59′19″ | - | - | - | river sand |
| KR-11 | N 36°22′16″, E 126°59′36″ | - | - | - | river sand |
| KR-12 | N 36°26′52″, E 127°04′58″ | - | - | - | river sand |
| KR-13 | N 36°24′55″, E 127°02′54″ | - | - | - | river sand |
| YGS-01 | N 36°27′36″, E 127°05′19″ | - | - | - | river sand |
| YGS-02 | N 36°27′50″, E 127°03′41″ | - | - | - | river sand |
| JAS-01 | N 36°34′14″, E 127°07′45″ | - | - | - | river sand |
| JAS-02 | N 36°35′41″, E 127°07′07″ | - | - | - | river sand |
| JAS-03 | N 36°28′40″, E 127°07′55″ | - | - | - | river sand |
| JAS-04 | N 36°30′44″, E 127°07′28″ | - | - | - | river sand |