<?xml version="1.0" encoding="UTF-8"?>
<xsd:schema version="5.0" 
            xmlns:nwis="http://water.usgs.gov/XML/NWIS/5.0"
            
            xmlns:xsd="http://www.w3.org/2001/XMLSchema"
            
            elementFormDefault="qualified">

	<xsd:simpleType name="string16">
		<xsd:restriction base="xsd:string">
			<xsd:maxLength value="16"/>
		</xsd:restriction>
	</xsd:simpleType>
</xsd:schema>