TX, around McAllen, clean up NHD, fix lots of validation issues

Michoacan, around La Huacana, tidy small roads to 30cm, add some details

Mexico, around Presa Gustavo Díaz Ordaz, tidy waterways, fix waterway tags

Mexico, W of Puebla, tidy boundaries to 50cm

Mexico, SW of Puebla, tidy boundaries to 50cm

Mexico, S of Uruapan, tidy boundaries to 30cm, smaller roads to 25cm

Veracruz/Hidalgo, tidy boundaries and smaller roads to 30cm

Mexico, S of Monterrey, tidy smaller roads to 30cm

Mexico, S of Monterrey, tidy boundaries to 40cm

Mexico, S of Monterrey, tidy smaller roads to 30cm

Mexico, S of Monterrey, tidy smaller roads to 30cm

Mexico, S of Zamora, tidy smaller roads to 25cm, apply validation fixes, align landuse

Mexico, S of Zamora, tidy smaller roads to 20cm

Mexico, S of Zamora, tidy boundaries to 50cm

Mexico, around Bacalar, remove obsolete image extent, tidy smaller roads to 25cm

Mexico, around Bacalar, update landuse extent, tidy/align waterways

Sonora/Chihuahua, rural area, tidy smaller roads to 30cm

Sinaloa, N of Los Mochis, tidy smaller roads to 25cm

Sinaloa, N of Los Mochis, tidy boundaries to 50cm

Sinaloa, N of Los Mochis, fix waterway tags on small irrigation ditches from "canal" to "ditch"