Categorize URL
cdm_data_type http://hydromet-thredds.princeton.edu:8000/erddap/categorize/cdm_data_type/index.xhtml?page=1&itemsPerPage=1000
institution http://hydromet-thredds.princeton.edu:8000/erddap/categorize/institution/index.xhtml?page=1&itemsPerPage=1000
ioos_category http://hydromet-thredds.princeton.edu:8000/erddap/categorize/ioos_category/index.xhtml?page=1&itemsPerPage=1000
keywords http://hydromet-thredds.princeton.edu:8000/erddap/categorize/keywords/index.xhtml?page=1&itemsPerPage=1000
long_name http://hydromet-thredds.princeton.edu:8000/erddap/categorize/long_name/index.xhtml?page=1&itemsPerPage=1000
standard_name http://hydromet-thredds.princeton.edu:8000/erddap/categorize/standard_name/index.xhtml?page=1&itemsPerPage=1000
variableName http://hydromet-thredds.princeton.edu:8000/erddap/categorize/variableName/index.xhtml?page=1&itemsPerPage=1000