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  <xsd:element name="DescriptionOfBusinessTable" id="slnd_DescriptionOfBusinessTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DescriptionOfBusinessLineItems" id="slnd_DescriptionOfBusinessLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="IncreaseDecreaseInAccountsReceivableAndRetainageReceivable" id="slnd_IncreaseDecreaseInAccountsReceivableAndRetainageReceivable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="ClarkLewisJointVentureMember" id="slnd_ClarkLewisJointVentureMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ProceedsFromAdvancementOfSuretyFunds" id="slnd_ProceedsFromAdvancementOfSuretyFunds" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="NewYorkCityMember" id="slnd_NewYorkCityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SecuredOvernightFinancingRateSofrThreeMonthTermMember" id="slnd_SecuredOvernightFinancingRateSofrThreeMonthTermMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DebtInstrumentRepaidAccruedInterest" id="slnd_DebtInstrumentRepaidAccruedInterest" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="AssignedInterestPrincipalOfLoansSold" id="slnd_AssignedInterestPrincipalOfLoansSold" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="LoanPurchasePricePaidByAssignees" id="slnd_LoanPurchasePricePaidByAssignees" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ConstructionContractPrice" id="slnd_ConstructionContractPrice" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="ContractClaimValue" id="slnd_ContractClaimValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ContractAssetFromClaims" id="slnd_ContractAssetFromClaims" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ConstructionContractRetainageReceivable" id="slnd_ConstructionContractRetainageReceivable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="LitigationSettlementSanctionsOrderAwardedToOtherParty" id="slnd_LitigationSettlementSanctionsOrderAwardedToOtherParty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="NonCashChargeToRevenue" id="slnd_NonCashChargeToRevenue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="GuaranteeObligationsSuretyPayableNoncurrent" id="slnd_GuaranteeObligationsSuretyPayableNoncurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="BerkshireZurichAndMarkelMember" id="slnd_BerkshireZurichAndMarkelMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="BondsSecuredByChiefExecutiveOfficerAndCoChiefOperatingOfficersMember" id="slnd_BondsSecuredByChiefExecutiveOfficerAndCoChiefOperatingOfficersMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FinancingObligationInterestExpenses" id="slnd_FinancingObligationInterestExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="LiquidityGoingConcernPolicyTextBlock" id="slnd_LiquidityGoingConcernPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
</xsd:schema>
