This guide reflects the consensus of a wide variety of industry experts and other professionals involved in the tunnel and underground construction industry in the USA.
Only .jpg or .png, high-resolution images will be accepted. Image size must be at least 8x10 at 300dpi, but no larger than 5mb.
Images may not be published by other companies, websites or used in printed materials until May of the year following the contest.
Only three images may be submitted per person. Most recent entry will be used if you submit more than once.
Image cropping is allowed and any aspect ratio is permitted. Photos may be enhanced or altered to remove spots, changing exposure, sharpening, changing contrast and adjusting the color to be more natural.