Supporting Technical Assessments

Level 3, 138 Victoria Street, PO Box 13 468, Christchurch 8141, New Zealand T 64 3 378 0900 F 64 3 378 8001 E [email protected] W www.ghd.com ! ! ! ! ! ! ! ! ! ! ! A ! A ! A ! A ! A ! A A ! ! A ! A ! A ! A WRS01a - 1100.799 mRL WRS02a - 1097.079 mRL WRS03a - 1130.148 mRL WRS04a - 1096.703 mRL WRS05a - 1096.947 mRL DH05A - 1098.243 mRL DH09 - 1106.069 mRL DH08 - 1101.997 mRL WRS06 - 1098.397 mRL WRS01 - 1102.792 mRL WRS02 - 1101.118 mRL WRS03 - 1129.397 mRL WRS04 - 1097.26 mRL WRS05 - 1097.989 mRL DH05 - 1098.688 mRL WRS07 - 1106.044 mRL WRS08 - 1105.939 mRL 11200 1115 1102 1110 1108 1102 1104 1098 1106 1100 Ohinemuri River TB1 TB1e Ohinemuri Tributary TB1 N:\NZ\Christchurch\Projects\51\12552081\GIS\Maps\Deliverables\12552081_C3_NRS_ShallowGWSystem.mxd © 2021. Whilst every care has been taken to prepare this map, GHD (and LINZ, ESRI, Oceana Gold Limited, EGL) make no representations or warranties about its accuracy, reliability, completeness or suitability for any particular purpose and cannot accept liability and responsibility of any kind (whether in contract, tort or otherwise) for any expenses, losses, damages and/or costs (including indirect or consequential damage) which are or may be incurred by any party as a result of the map being inaccurate, incomplete or unsuitable in any way and for any reason. LEGEND 0 40 80 20 Metres Map Projection: Transverse Mercator Horizontal Datum: NZGD 2000 Grid: NZGD 2000 New Zealand Transverse Mercator Oceana Gold Limited Waihi North Figure C.3 Job Number Revision 0 12552081 25 Nov 2021 Groundwater contours - NRS Shallow Groundwater System o Date Data source: Aerial imagery - LINZ; General topo - LINZ; Bores - OGL. Created by:dbbanatin Paper Size A3 Groundwater Contours - Shallow System !Inferred Shallow Groundwater Flow Direction !Direction of Vertical Gradient Available Groundwater Data ! A Shallow Wells ! A Intermediate Wells ! A Deep Wells Ohinemuri River Tributary River Tributary DR ! Inferred discharge to stream from shallow groundwater

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