Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       Astra Plinius - celestial bodies
         Universe
           (Supercluster) Virgo-Hydra-Centaurus Supercluster
             (Supercluster) Virgo Supercluster
               (Cluster) Local Group
                 (Galaxy) Milky Way Galaxy veter.
                   (Spiral arm) Orion Arm
                     (Region) Local Bubble
                       Local Interstellar Cloud
                         (Planetary system) Solar System
                           (Planet-satellite system) Earth System
                             (Planet) Earth veter.
                               "spheres" (Earth)
                                 (Sphere) Hydrosphere (Earth) - layer of water
                                   (Drainage basin) Atlantic Ocean Basin
                                     (Drainage basin) American Mediterranean Sea Basin (America)
                                       (Drainage basin) Gulf of Mexico Basin
                                         (Drainage basin) Rio Grande Basin (United States, Mexico)
                                           0.255722N0970843W (Stream) Rio Grande (United States, Mexico)
                                           1t.262200N0985100W (Stream) Río San Juan (Mexico; Rio Grande)
                                           2.264406N0991420W (Lake) Falcon Reservoir (United States: Texas: Zapata County)
                                           3t.265200N0991900W (Stream) Río Salado (Mexico; Rio Grande)
                                           4t.292733N1010334W (Stream) Devils River (United States: Texas: Val Verde County)
                                           5t.294159N1012217W (Stream) Pecos River (United States: New Mexico, Texas: Val Verde County)
                                           6t.0.293500N1042500W (Stream) Río Conchos (Mexico: Chihuahua)
                                           6t.1t.274300N1051000W (Stream) Río Florido (Mexico: Chihuahua)
                                           7t.342223N1065033W (Stream) Rio Puerco (United States: New Mexico: Socorro County)
                                           8t.360232N1060516W (Stream) Rio Chama (United States: New Mexico: Rio Arriba County)