<?xml version="1.0" encoding="UTF-8"?>
<xsd:schema xmlns="http://water.usgs.gov/XML/AQ" xmlns:xsd="http://www.w3.org/2001/XMLSchema" targetNamespace="http://water.usgs.gov/XML/AQ" elementFormDefault="qualified" version="1.0">
	<xsd:include schemaLocation="../shared/DateTimeWithDatum.xsd"/>
	<xsd:include schemaLocation="../shared/IEEE754FloatValue.xsd"/>
	<xsd:include schemaLocation="../shared/ReferenceListCodeType.xsd"/>
	<xsd:element name="LevelingRod">
		<xsd:annotation>
			<xsd:documentation>
				<Definition>Information about the level rod used in the circuit.</Definition>
			</xsd:documentation>
		</xsd:annotation>
		<xsd:complexType>
			<xsd:sequence>
				<xsd:element name="Equipment">
					<xsd:annotation>
						<xsd:documentation>
							<Definition>Node describing the level equipment used.</Definition>
						</xsd:documentation>
					</xsd:annotation>
					<xsd:complexType>
						<xsd:sequence>
							<xsd:element name="MaterialCode" type="ReferenceListCodeType" minOccurs="1">
								<xsd:annotation>
									<xsd:documentation>
										<Definition>The manufacturer name of the level.</Definition>
									</xsd:documentation>
								</xsd:annotation>
							</xsd:element>
							<xsd:element name="ManufacturerName" type="xsd:token" minOccurs="0">
								<xsd:annotation>
									<xsd:documentation>
										<Definition>The manufacturer name of the level rod.</Definition>
									</xsd:documentation>
								</xsd:annotation>
							</xsd:element>
							<xsd:element name="ModelNumber" type="xsd:token" minOccurs="0">
								<xsd:annotation>
									<xsd:documentation>
										<Definition>The model number of the level rod.</Definition>
									</xsd:documentation>
								</xsd:annotation>
							</xsd:element>
							<xsd:element name="SerialNumber" type="xsd:token" minOccurs="1">
								<xsd:annotation>
									<xsd:documentation>
										<Definition>The serial number of the level rod.</Definition>
									</xsd:documentation>
								</xsd:annotation>
							</xsd:element>												
						</xsd:sequence>
					</xsd:complexType>
				</xsd:element>			
				<xsd:element name="LevelingRodLevelUsed" type="xsd:boolean" minOccurs="0">
					<xsd:annotation>
						<xsd:documentation>
							<Definition>Indicates whether a rod level was used. This can be a separate rod level or built into the rod.</Definition>
						</xsd:documentation>
					</xsd:annotation>
				</xsd:element>
				<xsd:element name="LevelingRodTaped" type="xsd:boolean" minOccurs="0">
					<xsd:annotation>
						<xsd:documentation>
							<Definition>Indicates whether the length of rod was verified using a measuring tape.</Definition>
						</xsd:documentation>
					</xsd:annotation>
				</xsd:element>
				<xsd:element name="CoefficientThermalExpansion" type="IEEE754FloatValueType" minOccurs="0">
					<xsd:annotation>
						<xsd:documentation>
							<Definition>The adjustment factor applied per degree when the level rod differs from the CTECalibrationTemperature.</Definition>
						</xsd:documentation>
					</xsd:annotation>
				</xsd:element>
				<xsd:element name="CTECalibrationTemperature" type="IEEE754FloatValueType" minOccurs="0">
					<xsd:annotation>
						<xsd:documentation>
							<Definition>The base temperature in Celcius for which the CTE is computed. Usually 20 degrees.</Definition>
						</xsd:documentation>
					</xsd:annotation>
				</xsd:element>
			</xsd:sequence>
		</xsd:complexType>
	</xsd:element>
</xsd:schema>
