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Geotechnical Consulting
Construction Material Testing
Soil Laboratory Testing
Earthwork Inspection
Geophysical Testing
Geotechnical Monitoring
Geotechnical Drilling
Environmental Drilling
Water Well Drilling Contractor (Aqua Drilling, Inc.)
(c) Jaca & Sierra Testing Laboratories, Inc. PO Box 363116, San Juan , Puerto Rico 00936 tel. 787-761-2570 fax. 787-748-6970 [Map directions to main offices]