railroad surveying

Cinquini & Passarino, Inc. is a professional land surveying firm headquartered in Santa Rosa, California. Founded in 1954 as Passarino Associates, the firm provides comprehensive land surveying services with dedicated GIS and hydrography departments for developers, contractors, engineers, property owners, other surveying companies, and local, state, and federal governments. The firm has multiple offices in Santa Rosa, Healdsburg, Napa, and Oakland.

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aerial surveyALTA surveybathymetric surveyboundary surveyconstruction stakingelevation certificatesexpert witnessgeodetic control networksGIS mapping and data developmentGIS project planninghydrography surveyland surveyingmagnetometer and gradiometer surveysmultibeam and singlebeam bathymetric surveyssidescan and backscatter imagery surveyssub-bottom profile surveyssubdivision mappingtopographic survey and mappingwetland survey

Hodde & Hodde Land Surveying, Inc. is a professional land surveying firm based in Brenham, Texas, providing surveying services throughout Texas for over 55 years. Founded by A. A. Hodde in 1962 as A. A. Hodde & Associates and incorporated in 1995, it is owned and operated by father A. A. Hodde and son Jon Hodde. The firm offers professional surveying, land use consulting and engineering services to homeowners, builders, developers, utility companies, and the oil and gas and railroad industries.

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civil engineeringComputer Aided Drafting (CAD)construction site layoutdrainage planningerosion controlGIS supportland planningland surveyingmappingoil and gas well stakingroadway planningsubdivision designtitle researchtopographical surveys