Production of iron in the United States. ... A map from 1897 of the United States showing the region of coal deposits and coal production.... The Coal Fields in the contiguous 48 states as of 1898. The mines of the United States are among its most valuable resources, and yield about one third of the mineral product of the world. By far the most valuable of the mineral productions are... Coal Regions, 1899. The United States' coal-producing regions 1899.
Report Abuse. you actually have more than 5 types of sensory receptors within your body. Taste receptors at your tongues help you tell the taste. Light receptors in your eyes to let you detect light and thus see Vibration receptors in your inner ear to interpret the sound that moves the ear drum to let you hear.hen there are also Heat/Cold receptors-these sense changes in temperature. There are also Pain receptors. You also have balance receptors (this is the one that gives you sensation of movement as well). There are many other more (which are uncommon but nonetheless within your body).
there are three types of neurons:   1.sensory neuron   2.motor neuron   3.relay neuron   the sensory neâ¦urons receive information from receptor cells in sense organs and pass the information from sensory neuron to the other and pass the info to spinal cord where they are received by relay neuron.