<?xml version="1.0" encoding="UTF-8"?>
<!-- edited with XMLSpy v2005 rel. 3 U (http://www.altova.com) by Yungjae Cho (ENVIRONMENT CANADA) -->
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" attributeFormDefault="unqualified">
	<xsd:include schemaLocation="observation.xsd"/>
	<xsd:complexType name="observation-seriesType">
		<xsd:sequence>
			<xsd:element name="origin" type="originType"/>
			<xsd:element name="location" type="locationType" minOccurs="0"/>
			<xsd:element name="observation" type="observationType" maxOccurs="unbounded"/>
		</xsd:sequence>
	</xsd:complexType>
</xsd:schema>