Digital Mapping Services, LLC.

Our Clients Carrizo Oil & Gas Chesapeake Energy Corporation City of Corpus Christi EnCana Oil & Gas Koch Pipeline Lower Colorado River Authority (LCRA) – West Travis County Lower Colorado River Authority (LCRA) – City of Lockhart Pioneer Natural Resources Stewart Geo Technologies

	CARRIZO OIL & GAS – GIS DATA CONVERSION SUCCESS Oil and Gas Lease Mapping DMS has been providing lease mapping and project management services to Carrizo Oil and Gas for the past two years. All GIS project setup and data conversion is performed by DMS. Lease data is provided in PDF format and is later accessed via a hyperlink field which is part of each shapefile update sent back to the client. Lease polygons are created using metes and bounds descriptions, legal descriptions and ownership layers, or by geo -rectifying lease maps and heads-up digitizing. To date, approximately 5,000 tracts/leases have been mapped.

	CHESAPEAKE ENERGY CORPORATION – GIS DATA CONVERSION Oil and Gas Lease Mapping DMS provided contract mapping services to assist with the mapping of Chesapeake oil and gas leases. These services were performed from our Corpus Christi office and oil and gas lease information were provided via secure access to the client’s server or via digital media delivery (external hard-drive). All lease documents (oil and gas leases, deeds, plats, and maps) were provided in PDF format and lease reports were provided in MS Excel format. All lease layers were mapped in a file geodatabase with feature datasets assigned to each analyst or technician working on the project. All lease reports were uploaded to a MS Access database that was used to track the status of all leases mapped. Lease polygons were created using metes and bounds descriptions, legal descriptions and ownership layers, or by georectifying lease maps for heads-up digitizing. Lease research is performed using a path-based hyperlink to each lease folder on the server. Data was provided to the client on a weekly basis and a report detailing what leases have been mapped was also provided. To date, approximately, 45,000 tracts/leases have been mapped.

	CITY OF CORPUS CHRISTI - WATER & WASTEWATER DEPARTMENTS/EMA GIS Layer Update Through a sub- contract agreement with EMA Inc., a Water/Wastewater consulting firm, DMS updated both the spatial and attribute data of the City’s Water Utility GIS layers. DMS utilized all existing information from approximately 2500 water project as-builts and 2000 wastewater project as-builts, a system map book, and tie -drawings of the water features in order to complete the update process. The total number of point and line features that required attribute updates was 92,531 for water and 35,268 for wastewater. The total number of new projects that were digitized, fully attributed, and added to the layers amounted to 145 for water and 98 for wastewater. DMS converted the City’s existing Genamap formatted files into State Plane, NAD83, South Zone shapefiles in order to complete all the updates and additions. All file processing including tile processing, projecting, and updating was performed using the ESRI ArcMap product suite.

	ENCANA OIL & GAS - GIS DATA CONVERSION Oil and Gas Lease Mapping DMS provided contract lease mapping services to EnCana Oil and Gas from our Corpus Christi office or when requested, an analyst was sent to EnCana's office to work on site. EnCana provided their lease data in PDF format and lease reports were provided in MS Excel spreadsheets. Through the use of metes and bounds descriptions, legal descriptions, ownership GIS layers, and geo-rectifying lease maps/plats for heads-up digitizing, DMS was able to create lease polygons, numbering to approximately 2,300 leases to date.

	KOCH PIPELINE School/Daycare Location Verification DMS was hired to provide verification of school and children/adult daycare facilities throughout the state of Texas that are within a half-mile buffer of Koch’s pipelines. Pipeline companies are required by the Railroad Commission to notify these institutions of the presence of their pipelines every two years, so that, in the event of an emergency, proper planning will have been established with first responders. Koch Pipeline requested from DMS an updated master list and point shapefile of schools and daycare facilities within the half-mile vicinity of their pipelines.

	LOWER COLORADO RIVER AUTHORITY (LCRA) - CITY OF LOCKHART Water and Wastewater Utility GIS Layer Creation, GPS Data Collection and Map Book Creation Digital Mapping Services, L.P. was hired to provide the necessary manpower and resources to provide GIS consulting and support services for the City of Lockhart GIS program. Work involved includes: GPS data acquisition of water and wastewater features in the City of Lockhart and the creation of utility mapping layers via geo- rectification. Features mapped and converted into GIS layers comprised of water mains, wastewater mains, water valves, fire hydrants, wastewater manholes and cleanouts. These features were identified from digital files that were provided by the client. Information captured in the field and mapped in the office was based on LCRA-provided shapefiles, construction plans, and one foot City of Lockhart imagery. Deliverables Included: Geo-rectified mapping layers representing the water and wastewater features Two bound, hardcopy map books for each utility (water and wastewater) Digital copies of each utility map book in PDF format All GPS data collection and mapping was done in the Texas State Plane coordinate system NAD 1983 – South Central Zone. Digital Mapping Services, L.P. completed the project in four weeks.

	LOWER COLORADO RIVER AUTHORITY (LCRA) - WEST TRAVIS COUNTY Water Utility GIS Layer Creation and Map Book Printing Digital Mapping Services, L.P., through a sub-contract agreement with CH2MHILL, was hired by the Water/Wastewater Utility Division of the LCRA to create the GIS mapping layers for the West Travis County area near Austin, Texas. LCRA uses a GIS to help in the maintenance of water and wastewater quality issues within communities that reside along the banks of the Colorado River. Today, various communities along the Colorado River are faced with a serious obstacle. These communities lack the proper maps and mapping systems necessary to effectively manage and maintain successful water and wastewater facility management systems. Several objectives were outlined in the scope of work that focused on the needs of the LCRA for the West Travis County water system. The objectives addressed and completed in the project were to: Develop GIS shapefiles to represent the water system features of WTC Collect GPS points to fill areas where as-built data did not exist Collect GPS points to improve the spatial accuracy of digitized system features Create hard-copy and digital map books for the WTC water system The work was completed on time and on budget to the specifications that were set forth by LCRA.

	PIONEER NATURAL RESOURCES Pipeline and Well Location Updates DMS provides on-going well location and pipeline system updates for Pioneer Natural Resources. Such updates may require a field crew to ground-truth well and pipeline locations through the use of pipeline locators and GPS data collection. Pipeline and well location updates are delivered to Pioneer Natural Resources in shapefile format.

	STEWART GEO TECHNOLOGIES - GIS DATA QUALITY CONTROL Bermuda and Belize Data Conversion Quality Control DMS was hired to provide quality control services for Stewart Geo Technologies, a professional services organization dedicated to providing mapping and land registry services. DMS was tasked to quality-check and report on the following GIS data for the countries, Bermuda and Belize: Parcel boundary lines for closure (No polylines) Parcel IDs for completeness (Distributed throughout the parishes) Placement of parcels to digital ortho-photos Street centerline attributes for completeness Road centerline placement against digital ortho-photos Public road polygons (tags and placement) Coastline fit to parcels Provide a count on the number of parcels with each data layer Coastline fit to parcels Provide a written report on the quality of the Bermuda and Belize parcel data based on the checks performed.