Source Text File: nd.1990_2016.19ages.txt
Source File URL: seer.cancer.gov/popdata/yr1990_2016.19ages/nd.1990_2016.19ages.exe
Source Page: https://seer.cancer.gov/popdata/download.html
NBER URL: http://www.nber.org/seer-pop/state/nd.html
ndrace19ages set up by Jean Roth , jroth@nber.org ,  2 Jan 2018