TY - RPRT TI - Wetland use, settling patterns, and recruitment in mallards AU - Gary L. Krapu AU - Raymond J. Greenwood AU - Chris P. Dwyer AU - Kathy M. Kraft AU - Lewis M. Cowardin PY - 1997 DO - 10.2307/3802180 UR - https://pubs.usgs.gov/publication/1001103 ID - 1001103 ER -