Beautiful early dark blue trousers made by Joe Blunt of "Carter & Jasper Mercantile". Joe has an earned reputation as being one of the best suppliers of period clothing and uniforms. Check out their web-site . 
I bought these to use with my California Volunteer Infantry uniform , then I lost about 30 pounds ! Now they don't fit me. Worn around the house never outdoors. I'll just get Joe to make me another pair.
Please take a close look at photos. The attention to detail and hand work stands out. These are not "punched out, farby" pants folks!
measurements ;
waist - 40"
inseam - 32"
back of waist at top of seat to crotch - 18.5"
front of waist to crotch - 15.5"
top of hip along seam to bottom of cuff - 45.5