100.000+ autores registrados con U · página 61
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| Climate Analysis Center (U.S.) | — |
| Climate Change Science Program (U.S.) | — |
| Climate Change Technology Program (U.S.) | — |
| Climate Prediction Center (U.S.) | — |
| Coal Mining Women's Support Team (U.S.) | — |
| Coal Project (U.S.) | — |
| Coalbed Methane Outreach Program (U.S.) | — |
| Coalition for Health Funding (U.S.) | — |
| Coalition for Juvenile Justice (U.S.) | — |
| Coalition of Labor Union Women (U.S.) | — |
| U.S. Coast and Geodetic Survey. Magnetic Observatory, Byrd Station, Antarctica. | — |
| U.S. Coast and Geodetic Survey. Magnetic Observatory, Guam, Mariana Islands. | — |
| U.S. Coast and Geodetic Survey. Magnetic Observatory, Healy, Alaska. | — |
| U.S. Coast and Geodetic Survey. Magnetic Observatory, Jarvis Island. | — |
| U.S. Coast and Geodetic Survey. Magnetic Observatory, Little America, Antarctica. | — |
| U.S. Coast and Geodetic Survey. Magnetic Observatory, South Pole. | — |
| U.S. Coast and Geodetic Survey. Magnetic Observatory, Wilkes, Antarctica. | — |
| U.S. Coast and Geodetic Survey. Magnetic Recording Station, Beloit, Kan. | — |
| Coast Artillery School (U.S.) | — |
| Coast Artillery School (U.S.) | — |
| Coast Artillery Training Center (U.S.) | — |
| Coast Artillery Training Center (U.S.) | — |
| Coast Guard (U.S.) | — |
| U.S. Coast Guard Auxiliary Assoc., Inc., Staff | — |
| Coast guard reserve (U.S.) | — |
| Coastal Engineering Research Center (U.S.). | — |
| Coastal Engineering Research Center (U.S.) | — |
| Coastal Research Center (U.S.) | — |
| Coastal Services Center (U.S.) | — |
| Coastal Zone Mission Analysis Project (U.S.). | — |
| Cokeville Meadows National Wildlife Refuge (Agency : U.S.) | — |
| Cold Regions Research and Engineering Laboratory (U.S.) | — |
| Cold Regions Research and Engineering Laboratory (U.S.). | — |
| Collaborative Group on Antenatal Steroid Therapy (U.S.) | — |
| Collaborative Stakeholder Engagement and Appropriate Dispute Resolution Program (U.S.) | — |
| College and University Physical Education Council (U.S.) | — |
| College Art Association (U.S.) | — |
| College on Problems of Drug Dependence (U.S.) | — |
| College Young Christian Students (U.S.) | — |
| Colombia. Embajada (U.S.) | — |
| Colorado River Salinity Control Program (U.S.) | — |