Horace R. Collins Laboratory

3307 South Old State Road, Delaware Ohio, 43015-7635
Directions and Map

The ODNR Division of Geological Survey Horace R. Collins Laboratory (HRCL) is a multi-use facility located at Alum Creek State Park in Delaware County, Ohio. Core, sample, and twelve other collections are housed at the Ohio Geological Sample Repository. One wing of the facility contains laboratories for core and sample description and analysis, petrographic studies, aggregate testing, and sedimentation research. A second wing houses Division of Watercraft Central District offices. The HRCL also headquarters the Ohio Seismic Network and the Lake Erie Data Center.

Dedicated October 12, 1999, the HRCL provides citizens, industry personnel, and researchers a climate-controlled environment conducive for the study of repository holdings. Two sample-preparation and analysis laboratories containing examination tables, petrographic and binocular microscopes, and other examination equipment are available. a core splitter, a drill press with core plugging bits, and rock saws are available to assist with the sampling of core and cutting samples for thin sections and other laboratory analyses. HRCL personnel are available to conduct sample preparation and core plugging for a nominal fee.

Wireless Internet (Wi-Fi) service is now available for those visitors using the H. R. Collins Laboratory Classroom and Learning Center. Contact facility coordinator Gregory Schumacher for additional information.

Download a HRCL fact sheet here. [337 KB PDF]

Visitor Information

• Business hours: 8:00 a.m. to 4:30 p.m., M–F, excluding state holidays 
• Ohio Geological Sample Repository
• HRCL Classroom & Learning Center
• Scheduling a visit
• Directions & contact information 
• Lake Erie Data Center
• Ohio Seismic Network