'org.webjars.bower:topojson:1.4.9'
<dependency>
<groupId>org.webjars.bower</groupId>
<artifactId>topojson</artifactId>
<version>1.4.9</version>
</dependency>
<dependency org="org.webjars.bower" name="topojson" rev="1.4.9"/>
"org.webjars.bower", "topojson", "1.4.9"